Drilldown: Patents

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Patents > Office : IT or MX or NZ or RU or US & Filing date: 1860 - 1869 & Cites these patents: None

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Office: (Click arrow to add another value)
Inventors:
William H. Holland (3) · William R. Manley (2) · Halvor Halvorson (2)
Inventor country:
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
propulsion (11) · military (9) · projectile (9) · marine (8) · LTA (8) · propeller (7) · navigation (6) · balloon (5) · kite (5) · paddle-wheel (4) · paddle wheel (4) · car (4) · rudder (3) · flapping (3) · human-powered (2) · rocket (2) · mooring (2) · whole (2) · cargo (2)
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Related to aircraft:
National tech categories:
USPC 244/3.23 (8) · None (6) · USPC 416/194 (5) · USPC 244/153R (5) · USPC 416/227R (2) · USPC 244/30 (2)
First filing:
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Citations from after 1930:
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