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Patents > Filing date: 1902 & National tech categories : CA 115/32 or None

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Inventors:
Carey Alan Manker (3) · (Edmond-)Pierre Carmien (2) · Frank Exline (2)
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None (12) · Carey Alan Manker (3) · Frank Exline (2) · (Edmond-)Pierre Carmien (2)
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Tech fields:
None (14) · propeller (6) · LTA (5) · propellers (4) · marine propulsion (3) · airplane (3) · marine propeller (3) · balloon (3) · marine (3) · aerodynamics (3) · construction (3) · design (3) · propulsion (3) · navigation (2) · helicopter (2) · gas (2) · parachute (2) · frame (2) · car (2)
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