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Shellbriar & Tanshell, Patents 1917-1954: Difference between revisions
Shellbriar & Tanshell, Patents 1917-1954 (view source)
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#CA PATENT 209845/21 (1928-1929) CA - Sandblast; | #CA PATENT 209845/21 (1928-1929) CA - Sandblast; | ||
#CA PATENT 209845/21 E PAT.PENDING 1933 CA - Sandblast. | #CA PATENT 209845/21 E PAT.PENDING 1933 CA - Sandblast. | ||
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'''Notes:''' | |||
[[File:Innertubespatns.jpg|thumb|left|200px|Inner Tubes w/ Patents]] | |||
[[File:Screenshot from 2019-10-08 10-23-28.png|thumb|right|200px|Related Patents by John Loring]] | |||
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*In the patents era the patent was printed on the tube. | |||
*The year of registration of the patent is immediately after the bar, but does not mean that it was used in the same year. In some cases, the concession occurred the following year. | |||
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