Drilldown: Patents

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Patents > Filing date: July 1916 & Granted: Yes

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None (17) · airplane (7) · LTA (6) · biplane (4) · engine (3) · propeller (3) · construction (3) · frame (3) · airship (2) · hybrid (2) · military (2) · motors (2) · projectile (2) · propellers (2) · control (2) · rigid (2)
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None (11) · CPC B64B1/00 (4) · CPC B64C23/005 (2) · CPC B64C39/026 (2) · CPC B64C39/10 (2) · CPC B64C35/00 (2) · CPC B64B1/58 (2)
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