Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Office : DE or US or None & CPCs: None & Number of text pages: None

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Office: (Click arrow to add another value)
Inventors:
James Means (5) · Johann Schütte (2) · Fritz Robitzsch (2) · Richard Alexander-Katz (2) · Richard Wilcke (2) · Robert W. Thompson (2) · Albert Graff (2)
Inventor country:
Applicant person:
None (67)
Applicant type:
Applicant is inventor:
Tech fields:
None (22) · airplane (11) · LTA (10) · Propulsion (9) · stability (8) · parachute (8) · navigation (8) · frame (7) · takeoff (6) · brakes (4) · rudder (4) · kite (4) · flapping (3) · military (3) · Helicopter (3) · design (3) · construction (3) · track (3) · fun (3)
Full specification filed date:
Granted:
National tech categories:
None (51) · DE 77h (6) · USPC 244/63 (4) · USPC 244/153R (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:

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