Drilldown: Patents

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Patents > Year granted: 1860 - 1869 & Inventor country: US & Family year: 1800 - 1899 & Cites these patents : USPC 244/87 or None

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Office:
Inventors:
None (3) · William R. Manley (3) · William H. Holland (3) · Halvor Halvorson (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (32) · William H. Holland (3) · Charles Spear (2)
Applicant firm:
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Applicant is inventor:
Tech fields:
military (22) · projectile (20) · marine (17) · propeller (12) · LTA (11) · propulsion (10) · paddle-wheel (10) · kite (6) · navigation (6) · Paddle wheel (5) · balloon (4) · car (4) · windmill (3) · None (3) · ballistics (3)
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National tech categories:
None (35) · USPC 244/3.23 (16) · USPC 416/194 (5) · USPC 244/153R (5) · USPC 244/30 (3) · USPC 244/3.3 (3) · USPC 102/400 (2) · USPC 416/227R (2)
CPCs:
CPC F42B10/30 (13) · CPC B64C11/006 (13) · None (8) · CPC B64C11/48 (8) · CPC B63H1/12 (6) · CPC B64C27/54 (5) · CPC B64C11/00 (5) · CPC F01D5/06 (5) · CPC A63H27/08 (5) · CPC B64C11/36 (3) · CPC B63H1/04 (2) · CPC B64B1/00 (2) · CPC F03D1/025 (2) · CPC B64C23/005 (2) · CPC F05B2260/74 (2)
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Citations from after 1930:
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