Drilldown: Patents

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Patents > Office : CA or US or Other & Applicant person: None & Filing date: 1916 & Publication date: 1900 - 1999 & CPCs : CPC B64C2700/6218 or None & Citations from after 1930: None

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airplane (17) · construction (14) · frame (13) · design (12) · military (7) · LTA (6) · airship (6) · biplane (6) · motors (5) · engine (4) · propellers (3) · propeller (3) · propulsion (3)
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Showing below up to 41 results in range #1 to #41.

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