Drilldown: Patents
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Patents > Inventor country:
US
& National tech categories:
USPC 244/22
& Number of text pages:
4-50000000
Use the filters below to narrow your results.
Adelard J. Beauregard (1) ·
Anna O. Hagstedt (1) ·
Bartholomew Connolly (1) ·
Charles E. Van Deventer (1) ·
Cleveland A. Rex (1) ·
David A. Albright (1) ·
James Peter Olsen Jr. (1) ·
John Emery Harriman, Jr. (1) ·
John Rawle (1) ·
Oliver Elmer Lewis (1) ·
Randolph R. Rawle (1) ·
Ruter William Springer (2)
None (1) ·
Adelard J. Beauregard (1) ·
Anna O. Hagstedt (1) ·
Bartholomew Connolly (1) ·
Cleveland A. Rex (1) ·
David A. Albright (1) ·
James Peter Olsen Jr. (1) ·
John Emery Harriman, Jr. (1) ·
John Rawle (1) ·
Oliver Elmer Lewis (1) ·
Randolph R. Rawle (1) ·
Ruter William Springer (1) ·
SPRINGER BUTER W (1)
None (1) ·
aerodrome (1) ·
airfoil (1) ·
airplane (3) ·
balloon (1) ·
flapping (4) ·
flapping wings (1) ·
frame (4) ·
helicopter (2) ·
human-powered (1) ·
hybrid (5) ·
landing (2) ·
LTA (2) ·
navigation (2) ·
ornithopter (6) ·
parachute (1) ·
propeller (4) ·
propulsion (5) ·
rudder (3) ·
stability (1) ·
takeoff (1) ·
tandem wings (1) ·
wheels (1) ·
wings (1)
Showing below up to 12 results in range #1 to #12.