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Patents > National tech categories : USPC 244/45R or USPC 244/66 & Number of claims: 4-50

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Office:
Inventors:
William Whitney Christmas (2)
Inventor country:
Applicant person:
None (7)
Applicant is inventor:
Tech fields:
None (20) · airplane (19) · frame (16) · stability (15) · propeller (12) · airfoil (10) · propulsion (9) · navigation (8) · rudder (7) · wheels (6) · LTA (5) · design (4) · whole (4) · control (4) · takeoff (3) · parachute (3) · hybrid (3) · landing (3) · car (3) · wings (3)
Full specification filed date:
Application number:
None (8)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (6) · None (3) · Munn & Co. (3) · Joshua R. H. Potts (2) · Victor J. Evans (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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Showing below up to 61 results in range #1 to #61.

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