Drilldown: Patents

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Patents > Inventor country : US or None & Tech fields : Airship or propeller or propulsion or stability & Filing date: 1900 - 1999 & Supplementary to patent : Patent GB-1909-12556 or Patent US-1909-970771 or None & Cites these patents: None & Citations from after 1930: 3-30

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CPC B64C17/00 (3) · CPC B63H1/12 (3) · CPC B64C11/48 (3) · CPC B64C2700/6295 (2) · CPC Y10T29/49332 (2) · CPC Y10S200/29 (2)
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Showing below up to 42 results in range #1 to #42.

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