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Patents > Inventor country: US & Filing date: 1870 - 1879 & Number of claims: 2-8

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propulsion (12) · LTA (12) · None (5) · frame (5) · propeller (5) · flapping (5) · navigation (4) · human-powered (4) · projectile (3) · military (3) · marine (3) · airplane (2) · Windmill (2) · car (2) · balloon (2) · marine propulsion (2)
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None (8) · USPC 244/22 (2) · USPC 244/3.23 (2) · USPC 416/139 (2) · USPC 244/28 (2)
CPCs:
CPC B64B1/00 (4) · CPC B64C11/346 (3) · CPC F03D11/00 (3) · CPC B64C27/54 (3) · CPC F16B2200/40 (2) · CPC B64C33/02 (2) · CPC F16B2/02 (2) · CPC B64C27/322 (2) · CPC B64C23/005 (2) · CPC Y10T403/4677 (2) · CPC B64C11/04 (2) · CPC Y02E10/722 (2)
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