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Patents > Year granted: 1920 - 1929 & CPCs : CPC B64C17/00 or CPC B64C2700/6295

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Year granted:
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Inventors:
None (6) · Charles Rudolph Wittemann (3) · James Vernon Martin (3) · Alfred John Macy (3) · Louis Blériot (2) · Erastus E. Winkley (2) · Raimund Nimfuehr (2) · Jacob Knappich (2) · APP D AVIAT DOUTRE (2)
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Applicant person:
None (5) · James Vernon Martin (4) · Alfred John Macy (3) · Charles Rudolph Wittemann (3) · APP D AVIAT DOUTRE (2) · Raimund Nimfuehr (2) · Louis Blériot (2) · Jacob Knappich (2) · Erastus E. Winkley (2) · HANRIOT (2)
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Application number:
None (4)
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Citations from after 1930:
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