Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Number of text pages: 3-4 & Number of claims: 8-11

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None (13) · airplane (8) · design (4) · propellers (4) · LTA (3) · landing (3) · balloon (2) · gas (2) · subsystem (2) · propeller (2) · metallurgy (2) · biplane (2) · wings (2) · construction (2)
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None (4) · CPC B64C35/00 (3) · CPC B64C13/30 (2) · CPC Y02T50/433 (2) · CPC Y02T50/40 (2) · CPC B64F2700/6226 (2) · CPC B64C3/00 (2) · CPC B64C2001/0081 (2) · CPC B64C2001/0072 (2) · CPC B64C2001/0063 (2) · CPC Y10T29/49334 (2) · CPC B64C1/00 (2)
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Showing below up to 37 results in range #1 to #37.

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