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• To Patent or Not to Patent?
  == To patent of not to patent? == ...s and Trademarks for Tobacco Pipes and Related Material Issued by The U.S. Patent Office, 1858-1899. The title pretty much says it all, but the backstory abo
  16 KB (2,685 words) - 16:08, 24 April 2021
• Masta Patent Pipe Company
  19 bytes (2 words) - 09:15, 16 June 2008
• Rudolfs Patent
  ...rched wording, similar design of the R to the P in Peterson, with the word PATENT tucked in below the arched name, just like Peterson as well. ...ars to be what the Patent is applied to, but have no info as to the actual patent details. The stem tip is similar to a Peterson's P-lip in design, but with
  2 KB (269 words) - 15:36, 31 October 2023

Page text matches

• Pipedia Dunhill Dating Guide
  |<font size="3">Does it have a patent number? '''See Below.'''</font> |<font size="3">If it doesn't have a patent, then [[#Post-Patents|'''Click Here.''']]</font>
  60 KB (9,114 words) - 23:14, 12 January 2023
• Pipedia Dunhill Dating Guide/en
  |<font size="3">Does it have a patent number? '''See Below.'''</font> |<font size="3">If it doesn't have a patent, then [[#Post-Patents|'''Click Here.''']]</font>
  56 KB (8,520 words) - 23:14, 12 January 2023
• To Patent or Not to Patent?
  == To patent of not to patent? == ...s and Trademarks for Tobacco Pipes and Related Material Issued by The U.S. Patent Office, 1858-1899. The title pretty much says it all, but the backstory abo
  16 KB (2,685 words) - 16:08, 24 April 2021
• Irwin Rewrite-Peterson
  ====1865 - 1889 The Pre Patent Period==== ====1890 - 1914 The Patent Period====
  82 KB (13,212 words) - 12:08, 27 December 2022
• Peterson
  ==== 1865 - 1889 The Pre Patent Period ==== ==== 1890 - 1914 The Patent Period ====
  81 KB (12,791 words) - 13:51, 3 January 2024
• Dunhill
  '''''Each Dunhill patent has been evolved to meet some expressed or anticipated need, but in the pro ...s Motorities, he opens a company to develop patents, the "Alfred Dunhill's Patent Development Company, so that he could save fees on other ideas he might hav
  247 KB (39,448 words) - 09:20, 4 January 2023
• Pipedia Dunhill Dating Guide/fr
  |<font size="3">Votre pipe porte un numéro de brevet (patent number)? '''Voir ci-dessous.'''</font> Parmi les amoureux de la marque Dunhill, les pipes de l'époque des brevets (Patent Era) sont les plus recherchées. Alfred a débuté cette période lorsqu'il
  64 KB (9,844 words) - 19:08, 17 January 2023
• Dunhill/fr
  ...il ouvrit une entreprise d'exploitation de brevets, la "Alfred Dunhill's Patent Development Company",grâce à laquelle il pouvait tirer profit des autres [[File:WSpatent.jpg|thumb|right|150px| Wind-shield Patent]]
  268 KB (44,002 words) - 11:17, 5 March 2023
• In Search of the First Shell
  ...lish grant, on September 19 and October 14 of 1918 respectively and the US patent was granted over a year later on May 25, 1920. The Canadian papers trailed ...so allowing time for die production a Shell stamped with an English Shell patent reference and no date code dates to 1919 at the earliest.).''
  7 KB (1,245 words) - 13:51, 14 August 2019
• In Search of the First Shell/en
  ...lish grant, on September 19 and October 14 of 1918 respectively and the US patent was granted over a year later on May 25, 1920. The Canadian papers trailed ...so allowing time for die production a Shell stamped with an English Shell patent reference and no date code dates to 1919 at the earliest.).''
  7 KB (1,204 words) - 22:40, 6 July 2019
• A DUNHILL ERRATA SHEET FOR R. C. HACKER'S "RARE SMOKE"
  ...verage (p. 73 et seq) - In fact the chart (& the book) fail to report most patent numbers or their usage. ...re known that bear that stamping. 1951 pipes are principally identified by patent number stamping ending with "/34" together with a "0" date code and a circl
  12 KB (2,224 words) - 10:53, 23 December 2020
• Barling
  ===== Patent Stamps: ===== specific periods. In 1935 Barling received a patent for a stem design that radically
  78 KB (12,411 words) - 13:23, 27 May 2023
• Dating Guide Addendum
  [[File:Shot 2563-07-06 at 13.57.45.png|thumb|350px|Patent Summary]] ...g the patent number - instead of 356090, being 325090 as we can see in the patent record.
  3 KB (450 words) - 12:44, 7 July 2020
• The History of Dunhill's Shell
  ...f a year later, on April 12, 1918, followed by the granting of the English patent on October 14, 1918. This was less than a month before the end of The Great ...atent was granted, between September 19 and October 14, 1918. The American patent was granted more than a year later, on May 25, 1920. Canadian documents wer
  11 KB (1,749 words) - 20:35, 31 March 2021
• The History of Dunhill's Shell/en
  ...f a year later, on April 12, 1918, followed by the granting of the English patent on October 14, 1918. This was less than a month before the end of The Great ...atent was granted, between September 19 and October 14, 1918. The American patent was granted more than a year later, on May 25, 1920. Canadian documents wer
  11 KB (1,717 words) - 20:36, 31 March 2021
• John C. Loring
  ...hority on Dunhill pipes. His excellent book, "The Dunhill Briar Pipe - the patent years and after", is an essential addition to any Dunhill collector's libra == The Dunhill Briar Pipe &ndash; the patent years and after ==
  161 KB (18,431 words) - 13:42, 2 January 2023
• Dunhill Curiosities/en
  ...n relates to improved means for charging or filling pipes for Smoking. The patent was granted in Apr. 15, 1924 in the United States. ...is easy to manufacture and simple and convenient in use.</q> UNITED STATES PATENT OFFICE - ALFRED DUNHILL, OF LONDON, ENGLAND. MEANS FOR CHARGING SMOKING PIP
  14 KB (2,232 words) - 21:44, 31 March 2021
• Dunhill Curiosities
  ...n relates to improved means for charging or filling pipes for Smoking. The patent was granted in Apr. 15, 1924 in the United States. ...is easy to manufacture and simple and convenient in use.</q> UNITED STATES PATENT OFFICE - ALFRED DUNHILL, OF LONDON, ENGLAND. MEANS FOR CHARGING SMOKING PIP
  14 KB (2,274 words) - 21:43, 31 March 2021
• Barling.fr
  • REG'D 98 046 - US patent number - 1936 - 1949 File:US1507571 Page 1.jpg|US Patent 1507571, Page 1
  86 KB (14,440 words) - 10:39, 23 December 2020
• Sasieni/en
  [[File:SasieniPatent.png|thumb|Circa 1924 Patent, Courtesy Doug Valitchka]] ...entifies the founder as “J. Sasieni”. However, some research at the U. S. Patent Office conclusively shows that his first name was Joel.
  31 KB (5,287 words) - 21:00, 11 February 2020