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William Demuth Company: Difference between revisions
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== Patents == | == Patents == | ||
The Hesson pipes are named after ''William Wallace Hesson'' whose inventions lead to two patents: | The Hesson pipes are named after ''William Wallace Hesson'' whose inventions lead to two patents: | ||
<gallery widths= | <gallery widths=400 heights=700> | ||
Hesson Jr18.jpg|Hesson Patent US1566866<ref>https://patents.google.com/patent/US1566866</ref> granted Dec. 22, 1925, courtesy Doug Valitchka | Hesson Jr18.jpg|Hesson Patent US1566866<ref>https://patents.google.com/patent/US1566866</ref> granted Dec. 22, 1925, courtesy Doug Valitchka | ||
WDC Hesson.jpg|WEDC Hesson 1932 Patent<ref>https://patents.google.com/patent/US1855800</ref>, courtesy Doug Valitchka | WDC Hesson.jpg|WEDC Hesson 1932 Patent<ref>https://patents.google.com/patent/US1855800</ref>, courtesy Doug Valitchka | ||
</gallery> | |||
<gallery widths=400 heights=500 caption="A 1933 patent attributed to D.P. Lavietes, courtesy Doug Valitchka"> | |||
WDC Pat 1936060 a.jpg|Nov. 21, 1933 patent, filed Dec. 2, 1932 | |||
WDC Pat 1936060 b.jpg | |||
</gallery> | </gallery> | ||