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Patents > National tech categories : DE 77 or USPC 244/30 or None & CPCs: CPC B64C2700/6295

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None (257) · airplane (29) · design (17) · stability (15) · frame (13) · construction (13) · wings (13) · whole (10) · biplane (7) · lift (6) · propulsion (6) · fuselage (5) · Automatic stability (5) · Structure (5) · aerodynamics (5) · propellers (4) · navigation (4) · monoplane (4) · marine (4)
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None (236) · Marks & Clerk (10) · Boult, Wade & Tennant (7) · None (5) · Hyde & Heide (5) · J. S. Withers & Spooner (4) · Haseltine, Lake & Co. (3) · W. P. Thompson & Co. (2) · Edwards & Co. (2) · Herbert Haddan & Co. (2) · John P. Tarbox (2) · George T. Millard (2) · Mewburn, Ellis & Pryor (2) · Abel & Imray (2) · Reginald W. Barker (2) · Boult, Wade, and Tennant (2) · Brewer & Son (2) · Dicker & Pollak (2)
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