Drilldown: Patents

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Patents > Applicant person: None & Citations from after 1930: None & Number of text pages: 5

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None (4) · John P. Tarbox (3) · Alexander Albert Holle (2)
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Tech fields:
frame (19) · airplane (18) · propulsion (14) · propeller (12) · navigation (11) · LTA (11) · hybrid (8) · stability (8) · balloon (7) · marine (6) · design (6) · landing (6) · safety (6) · rudder (5) · takeoff (4) · whole (4) · flapping (4)
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Showing below up to 47 results in range #1 to #47.

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