Drilldown: Patents

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Patents > Applicant firm: None & Grant date: July 1918

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Inventors:
Thomas Sloper (2)
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Thomas Sloper (2) · None (2)
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None (27) · airplane (3) · frame (2) · propellers (2) · design (2)
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None (2)
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Showing below up to 42 results in range #1 to #42.

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