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Patents > Inventor country: US & National tech categories : USPC 244/3.23 or USPC 244/30

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Office:
Inventors:
George E. Wells (2) · Stewart Cairncross (2) · Albert Livingstone Blackman (2) · Halvor Halvorson (2) · Lincoln A. Merriam (2) · Eugene F. Falconnet (2) · Frank M. Ashley (2)
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Applicant person:
None (20) · Albert Livingstone Blackman (2) · George E. Wells (2) · Frank M. Ashley (2) · Eugene F. Falconnet (2) · Charles Spear (2)
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Tech fields:
projectile (49) · military (46) · LTA (42) · navigation (18) · propulsion (13) · car (11) · frame (11) · balloon (11) · propeller (9) · None (8) · safety (6) · rudder (6) · stability (5) · ballistics (4) · landing (4) · cargo (3) · dirigible (3) · airplane (3) · marine (3)
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Citations from after 1930:
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Showing below up to 107 results in range #1 to #107.

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