Drilldown: Patents

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Patents > Office : SE or UN or US & Applicant firm: None & Tech fields : Propeller or design or stability & Patent agent: Munn & Co.

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USPC 244/177 (4) · None (4) · USPC 244/100R (3) · USPC 244/34R (2) · USPC 244/16 (2) · USPC 244/28 (2) · USPC 244/70 (2) · USPC 244/233 (2)
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