Drilldown: Patents

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Patents > Office: US & Family year: 1800 - 1899 & Number of figures: 2

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None (9)
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LTA (22) · propulsion (12) · propeller (11) · balloon (11) · navigation (10) · military (7) · projectile (7) · stability (6) · car (5) · None (5) · safety (5) · Windmill (4) · frame (4) · rudder (3) · marine (3) · hybrid (3) · hand tools (3) · parachute (3) · paddle-wheels (3)
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None (25) · USPC 244/30 (5) · USPC 244/3.23 (4) · USPC 416/194 (3) · USPC 244/25 (2) · USPC 416/112 (2) · USPC 416/113 (2) · USPC 244/97 (2) · USPC 244/73R (2) · USPC 416/197A (2) · USPC 244/31 (2) · USPC 244/3.3 (2) · USPC 416/108 (2) · USPC 89/1.51 (2)
CPCs:
CPC B64C27/54 (9) · CPC B64C11/48 (9) · CPC B64B1/00 (8) · CPC B64C11/006 (7) · CPC B63H1/12 (6) · CPC B64B1/40 (4) · CPC F05B2260/74 (3) · CPC F01D5/06 (3) · CPC F03D1/025 (3) · CPC B64B1/62 (3) · CPC B64C11/00 (3) · CPC Y02E10/72 (3)
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