Drilldown: Patents

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Patents > Year filed: 1870 - 1879 & Supplementary to patent: None & Number of figures: 2-3

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Inventors:
James Hartness (2) · Comte Antoine Apraxine (2)
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Tech fields:
LTA (9) · propulsion (8) · propeller (6) · balloon (4) · hand tools (3) · military (3) · marine (3) · projectile (3)
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CPCs:
CPC Y10T403/4677 (4) · CPC F16B2/02 (4) · CPC B64B1/40 (4) · CPC B64C11/04 (4) · CPC F16B2200/40 (4) · CPC B64C11/00 (3) · CPC F01D5/06 (3) · CPC B64C11/006 (2) · CPC Y02E10/223 (2) · None (2) · CPC B64C1/1407 (2) · CPC B64B1/00 (2) · CPC B64C27/54 (2)
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