Drilldown: Patents

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Patents > Grant date: 1920 & First filing: No & Number of claims: 2-5

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Tech fields:
airplane (15) · frame (12) · construction (9) · wings (8) · design (8) · landing (5) · chassis (5) · propulsion (5) · propellers (5) · fuselage (3) · wood (3) · biplane (3) · lift (3)
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CPCs:
None (13) · CPC B64C3/00 (8) · CPC B64C2700/6235 (7) · CPC B64C35/00 (3) · CPC B64C3/26 (2) · CPC B64F2700/6261 (2) · CPC B64C11/006 (2) · CPC B64F2700/6226 (2) · CPC B64C25/64 (2)
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Showing below up to 49 results in range #1 to #49.

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