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Patents > Office : BE or CA or US & Granted: None

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Office: (Click arrow to add another value)
Inventors:
None (10) · Everard Richard Calthrop (4) · René Caudron (2) · N. Thiry (2) · Joseph de Pierpont de Burnot (2) · Harold Edward Sherwin Holt (2) · Charles de Coster (2) · Peter MAHONY (2)
Inventor country:
Applicant person:
None (50) · Everard Richard Calthrop‎‎ (4) · Joseph de Pierpont de Burnot (2) · N. Thiry (2) · Harold Edward Sherwin Holt (2)
Applicant is inventor:
Tech fields:
airplane (30) · LTA (28) · navigation (14) · propulsion (11) · None (8) · kite (7) · design (7) · frame (7) · stability (7) · Helicopter (6) · parachute (5) · military (5) · construction (5) · motors (5) · control (5) · subsystem (5) · propeller (5) · propellers (5)
Full specification filed date:
Granted: (Click arrow to add another value)
Supplementary to patent:
None (64) · 1 (8) · 1911-05-09 (2) · 1912-01-23 (2) · 1911-02-14 (2)
Related to aircraft:
National tech categories:
None (40) · BE K (24) · USPC 244/155R (2) · BE L (2) · USPC 244/51 (2) · USPC 244/22 (2)
First filing:
Citations from after 1930:
Number of text pages:

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