Drilldown: Patents

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Patents > Office: US & Supplementary to patent: None & Citations from after 1930: 8-20

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Tech fields:
kite (7) · None (6) · projectile (5) · military (5) · Propeller (4) · Aerial propeller (3) · stability (3) · safety (3) · ballistics (3) · propulsion (2) · marine propulsion (2) · airplane (2) · cargo (2)
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Patent agent:
Munn & Co. (4) · None (3) · None (2) · Victor J. Evans (2)
National tech categories:
None (20) · USPC 244/153R (5) · USPC 244/3.23 (4) · USPC 244/3.28 (2) · USPC 244/3.21 (2)
CPCs:
CPC A63H27/08 (6) · CPC B64C11/48 (3) · CPC F42B10/50 (2) · CPC B64C1/1476 (2) · CPC B64C11/065 (2) · CPC B64C3/14 (2) · CPC B63H5/10 (2)
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Showing below up to 47 results in range #1 to #47.

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