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Patents > Patent agent : Charles W. Hills or J. Germain & Number of claims: 1-4

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None (26) · stability (8) · Propulsion (7) · Construction (6) · Frame (6) · airplane (6) · Propellers (5) · Control (4) · Design (4) · aerodynamics (3) · lift (3) · Helicopter (3)
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None (7) · 510212D (2) · 510210D (2) · 496388D (2) · 494571D (2)
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CPC B64C17/00 (8) · CPC B64C2700/6212 (5) · CPC B64C2700/6295 (5) · CPC B64C39/00 (4) · CPC B64C17/06 (4) · CPC B64C2700/6216 (4) · CPC B64C27/12 (3) · CPC B64C3/18 (3) · CPC B64C3/00 (3) · CPC B64C2700/6281 (3) · CPC B64C2700/6274 (3) · CPC B64C23/005 (3)
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Showing below up to 61 results in range #1 to #61.

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