Drilldown: Patents

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Patents > National tech categories : AT 77d or AU 90.5 or USPC 244/22

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Office:
Applicant person:
None (113) · Reinhold Richter (8) · Thomas Sopwith (4) · Ludwig Schmidl (3) · Heinrich Bier (3)
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Full specification filed date:
Application number:
None (235)
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Supplementary to patent:
None (215) · Patent DE-1908-221549 (2) · Patent FR-1908-407411 (2) · Patent DE-1912-08-27 AGO Flugzeugwerke G. m. b. H. (2) · Patent IT-1910-10-17 Carlo Navaro (2)
Related to aircraft:
Patent agent:
None (256) · Munn & Co. (6) · C. A. Snow & Co. (4) · Fred Walsh (4) · None (3) · Edwin Phillips (2) · Arthur Otto Sachse (2) · Frederick Benjamin (2) · Foster, Freeman, Watson & Coit (2) · F. N. Gillent (2)
National tech categories: (Click arrow to add another value)
First filing:
Citations from after 1930:
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