Drilldown: Patents

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Patents > Filing date: 1880 - 1889 & First filing: Yes & Number of diagram pages: 2-3

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LTA (16) · navigation (9) · propulsion (7) · airship (5) · balloon (5) · propeller (5) · flapping (4) · rudder (4) · control (4) · None (3) · frame (3) · military (3)
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None (9) · DE 77 (5) · USPC 114/21.1 (2) · USPC 244/96 (2) · USPC 244/3.23 (2) · USPC 244/28 (2) · USPC 244/27 (2) · USPC 244/30 (2)
CPCs:
CPC B64B1/00 (6) · None (3) · CPC B64B1/40 (3) · CPC B64C33/02 (3) · CPC E05G1/024 (2) · CPC B64C11/006 (2) · CPC B64C27/54 (2) · CPC Y02E10/72 (2) · CPC Y02E10/74 (2)
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