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Patents > Inventor country: US & Application number: None & Related to aircraft: .5

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Office:
Inventors:
William H. Holland (3)
Inventor country: (Click arrow to add another value)
Applicant person:
William H. Holland (3)
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Applicant is inventor:
Tech fields:
marine (11) · Windmill (4) · Propulsion (4) · paddle-wheels (4) · paddle-wheel (4) · marine propulsion (4) · paddle wheel (3) · windmills (2) · Water-wheels (2) · projectile (2) · military (2) · marine propeller (2) · propeller (2) · feathering (2)
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National tech categories:
None (15) · USPC 416/194 (5) · USPC 416/117 (2) · USPC 416/98 (2) · USPC 416/196A (2) · USPC 416/112 (2)
CPCs:
CPC B64C27/54 (12) · CPC F01D5/06 (5) · CPC B64C11/00 (5) · CPC B64C11/006 (4) · None (3) · CPC F03D3/00 (3) · CPC Y02E10/72 (3) · CPC Y02E10/74 (3) · CPC F03D1/00 (2) · CPC F05B2260/74 (2) · CPC Y02E10/20 (2) · CPC B64C11/48 (2) · CPC Y02E10/223 (2) · CPC B64C11/346 (2) · CPC B63H1/04 (2)
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Citations from after 1930:
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