Drilldown: Patents

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Patents > Office: DE & Related to aircraft: 1 & CPCs: None & Number of figures: None

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Office: (Click arrow to add another value)
Inventors:
None (23) · Albert Graff (2) · Edward Joel Pennington (2) · Richard Wilcke (2)
Inventor country:
Applicant is inventor:
Tech fields:
LTA (26) · ICE (14) · engine (13) · balloon (12) · navigation (12) · airplane (10) · propeller (10) · propulsion (9) · gas (9) · instrument (9) · motor (8) · parachute (6) · piloting (6) · None (5) · subsystem (5) · safety (5) · pressure (4) · electricity (4) · stability (4)
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Related to aircraft: (Click arrow to add another value)
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CPCs: (Click arrow to add another value)
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Citations from after 1930:
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Showing below up to 98 results in range #1 to #98.

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