Drilldown: Patents

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Patents > Office: US & Tech fields : LTA or lift or propulsion or None & Related to aircraft : Yes or None & Family year: 1910 - 1919 & Citations from after 1930: None

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None (587) · USPC 244/90R (35) · USPC 244/139 (26) · USPC 244/233 (22) · USPC 244/22 (20) · USPC 244/48 (18) · USPC 244/119 (17) · USPC 244/45R (16) · USPC 244/147 (16) · USPC 244/65 (15) · USPC 244/142 (15) · USPC 244/80 (14) · USPC 244/87 (13) · USPC 244/104R (13) · USPC 244/153R (12) · USPC 244/144 (12) · USPC 244/66 (12) · USPC 244/91 (12)
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