Drilldown: Patents

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Patents > Applicant type : INDIV or INDIV + COMPANY & Patent agent : G. F. Redfern & Co. or Victor J. Evans & National tech categories: None

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None (5) · propellers (5) · propulsion (5) · airplane (5) · Design (4) · control (4) · hybrid (2) · helicopter (2) · Nacelle (2) · aerial propeller (2) · frame (2) · Stability (2) · lift (2) · airship (2) · whole (2) · heavier-than-air (2)
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Showing below up to 33 results in range #1 to #33.

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