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Patents > Office: US & Tech fields: propeller & Number of figures: 6-7

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Inventors:
Spencer Heath (2) · Charles W. Van Winkle (2)
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Applicant person:
None (5) · Spencer Heath (2)
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None (9) · USPC 244/6 (5) · USPC 244/51 (4) · USPC 244/70 (3) · USPC 244/26 (3) · USPC 244/22 (2) · USPC 244/66 (2) · USPC 244/99.11 (2) · USPC 244/119 (2)
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