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Patents > IPCs: None & Citations from after 1930: 2-4 & Number of claims: 10-30

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Applicant person:
Alfred John Macy (2) · Enrique Lazarte (2)
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Applicant is inventor:
Tech fields:
None (9) · propeller (6) · frame (5) · stability (5) · airplane (4) · rudder (4) · parachute (3) · takeoff (2) · safety (2) · ornithopter (2) · military (2) · Helicopter (2) · guns (2) · launching (2) · wheels (2)
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Related to aircraft:
National tech categories:
None (5) · USPC 244/22 (2) · USPC 416/129 (2) · USPC 244/119 (2) · USPC 244/139 (2)
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Citations from after 1930:
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Showing below up to 35 results in range #1 to #35.

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