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Patents > Application number: None & First filing: Yes & Citations from after 1930: 2

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Tech fields:
military (5) · parachute (5) · LTA (5) · projectile (4) · frame (3) · marine (3) · kite (3) · None (3) · Windmill (2) · navigation (2) · propeller (2)
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None (13) · USPC 244/3.23 (4) · USPC 244/153R (2) · USPC 244/63 (2)
CPCs:
CPC B64C27/54 (5) · CPC B64C11/48 (2) · CPC F03D3/00 (2) · CPC Y02E10/74 (2) · CPC B64B1/40 (2) · CPC F42B10/30 (2) · CPC B64C23/005 (2) · CPC Y02E10/20 (2) · CPC B64C33/02 (2) · CPC B64F1/06 (2) · CPC A63H27/08 (2)
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Showing below up to 42 results in range #1 to #42.

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