Drilldown: Patents
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- Airplane (18)
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Patents > Inventor country:
US 
& Supplementary to patent:
None
& National tech categories:
USPC 244/22
& Supplementary to patent:
None
& National tech categories:
USPC 244/22 Use the filters below to narrow your results.
Year filed:
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None (17) ·
aerodrome (4) ·
aerodynamics (1) ·
aeroplanes (1) ·
airfoil (2) ·
airplane (9) ·
airship (3) ·
balloon (1) ·
car (3) ·
communications (1) ·
crankshaft (2) ·
flapping (19) ·
flapping wings (1) ·
frame (16) ·
fun (1) ·
helicopter (2) ·
human powered (1) ·
Human-powered (3) ·
hybrid (7) ·
landing (4) ·
LTA (3) ·
marine (2) ·
military (1) ·
navigation (9) ·
ornithopter (16) ·
ornithopter, flapping (1) ·
parachute (6) ·
propeller (8) ·
propulsion (15) ·
rudder (7) ·
safety (1) ·
stability (3) ·
subsystem (1) ·
takeoff (3) ·
tandem wings (1) ·
texture (3) ·
wheels (4) ·
wing (1) ·
wings (3)
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None (37) ·
0 (1) ·
A. M. Wilson (1) ·
Alexander Emery? (1) ·
C. A. Snow & Co. (2) ·
C. Spongel (1) ·
Criswell & Criswell (1) ·
E. B. Stocking (1) ·
Emil Starek (1) ·
F. N. Gillent (1) ·
Geo. H. Strong (1) ·
George H. Strong (1) ·
H. A. Macy (1) ·
James Sheehy & Co. (1) ·
Moore (1) ·
Munn & Co. (1) ·
N. Du Bois (1) ·
Poole & Brown (1) ·
Robt. A. P. Lacey (1) ·
Schly & Davis (1) ·
Wright, Brown, Greenberg and May (1)
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Showing below up to 58 results in range #1 to #58.
