Drilldown: Patents

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Patents > Office: US & Filing date: 1913 & Number of claims: 2-5

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Inventors:
Samuel Stewart Harper (2) · Henry Converse Fisk (2)
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Applicant person:
Eleanor L. Harper (2) · Henry Converse Fisk (2)
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Tech fields:
None (14) · airplane (11) · stability (10) · hybrid (6) · frame (6) · LTA (5) · safety (4) · propulsion (3) · flapping (3) · construction (3) · helicopter (3) · Propeller (3)
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None (6)
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None (12) · USPC 244/45R (4) · USPC 244/22 (3) · USPC 244/101 (2) · USPC 244/80 (2) · USPC 244/35R (2) · USPC 244/29 (2) · USPC 244/119 (2) · USPC 244/6 (2) · USPC 244/64 (2) · USPC 244/66 (2) · USPC 244/131 (2)
CPCs:
CPC B64C17/00 (5) · CPC B64B1/00 (5) · CPC B64C11/006 (4) · CPC B64C2700/6295 (4) · CPC B64C35/00 (3) · CPC B64C3/385 (3) · CPC B64C23/005 (3) · CPC B64C33/00 (3) · CPC B64C39/08 (3) · CPC B64C3/00 (2) · CPC F03D3/00 (2) · CPC Y02E10/74 (2) · CPC B64C1/26 (2) · CPC B64C33/02 (2) · CPC B64B1/58 (2)
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