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Patents > Applicant firm: None & National tech categories : USPC 244/79 or None

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Inventor country:
None (2068) · US (1527) · GB (1123) · FR (1045) · DE (458) · IT (91) · AT (74) · CA (64) · CH (55) · BE (45) · RU (43) · AU (37) · ES (30) · NZ (30) · HU (29) · NO (21) · SE (19) · NL (16) · IE (13) · Prussia (11)
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Related to aircraft:
Assigned to:
None (6719) · 1 (6) · Goodyear Tire and Rubber Company (3) · Rupert G. Bryant (2) · Vertical Propeller Co. (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
None (6716) · CPC B64B1/00 (3) · Patent GB-1913-5223 (2) · Patent GB-1914-23502 (2) · Patent FR-1909-411204 (2) · Patent GB-1912-5966 (2) · Patent GB-1901-346 (2) · Patent GB-1909-3202 (2) · Patent GB-1909-8118 (2) · Patent GB-1912-15735 (2)
Citations from after 1930:

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