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Patents > Office : CA or US & Applicant firm: None & Applicant type : AGENT or COMAPNY+INDIV or COMPANY+INDIV or INDIV & Tech fields: propeller & Number of text pages: 5-10

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None (4) · USPC 244/96 (3) · USPC 244/139 (2) · USPC 244/99 (2) · USPC 244/30 (2) · USPC 244/29 (2) · CA 244/8 (2)
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