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Patents > Office : IT or US & Tech fields : Airplane or propeller & Family year: 1908

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Inventors:
Burt Jackson Pressey (3) · Malcolm Grover Adams (2)
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Applicant person:
None (4) · Burt Jackson Pressey (3) · Malcolm Grover Adams (2)
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None (6)
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National tech categories:
USPC 244/6 (5) · USPC 244/90R (4) · None (4) · USPC 244/48 (3) · USPC 244/65 (3) · USPC 244/35R (3) · USPC 244/226 (2) · USPC 244/139 (2) · USPC 244/46 (2) · USPC 244/17.21 (2) · USPC 244/80 (2) · USPC 244/12.1 (2)
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Citations from after 1930:
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