Drilldown: Patents

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Patents > Applicant type: INDIV & Granted: Yes & Assigned to : Albert L. Watters or Rubber Balloon Company of America or None & National tech categories : FR 6.4 or USPC 244/233 or USPC 244/30 & IPCs : IPC B64C13/00 or IPC B64C31/06 or IPC B64C39/00 & Number of claims: None

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Airplane (21) · frame (12) · design (11) · construction (9) · wings (6) · subsystem (6) · propulsion (5) · lift (5) · aerodynamics (5) · whole (4) · sustentation (3) · stability (3) · rudder (3) · motors (3) · heavier-than-air (3) · None (3) · control (3)
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Showing below up to 35 results in range #1 to #35.

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