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Patents > Grant date: 1911 & CPCs : CPC B64C1/00 or CPC B64C13/00

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Halvor Gaara (3) · Hugh Laussat Willoughby (2) · Ivan Munroe Sawyer (2) · Haydn Arnold Sanders (2) · Hampden Sanders (2) · Robert Esnault-Pelterie (2)
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Halvor Gaara (3) · Robert Esnault-Pelterie (2) · Hampden Sanders (2) · Hugh Laussat Willoughby (2) · Ivan Munroe Sawyer (2)
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None (3)
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Showing below up to 79 results in range #1 to #79.

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