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Patents > National tech categories : USPC 244/3.23 or USPC 244/30

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Office:
Inventors:
None (3) · Halvor Halvorson (2) · Lincoln A. Merriam (2) · Eugene F. Falconnet (2) · Frank M. Ashley (2) · George E. WELLS (2) · Stewart Cairncross (2) · Albert Livingstone Blackman (2)
Inventor country:
Applicant person:
None (37) · Albert Livingstone Blackman (2) · Charles Spear (2) · Eugene F. Falconnet (2) · Frank M. Ashley (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
LTA (53) · military (52) · projectile (47) · navigation (21) · propulsion (20) · None (15) · frame (15) · balloon (15) · car (14) · propeller (13) · safety (9) · rudder (8) · stability (7) · compartments (5) · parachute (4) · marine (4) · landing (4) · ballistics (4)
Application number:
None (87)
Granted:
Related to aircraft:
Patent agent:
None (79) · Munn & Co. (11) · None (2)
National tech categories: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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