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Patents > Tech fields: helicopter & Number of figures: 6-8

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Inventors:
Isaac Bell (2) · Édouard-Jean Bigourdan (2) · Alexis Beurrier (2) · Thomas Augustus Dring (2) · Louis Lacoin (2)
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Isaac Bell (2) · Alexis Beurrier (2) · Thomas Augustus Dring (2) · Louis Lacoin (2)
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None (6)
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None (9) · Phillipss (2) · J. S. Withers & Spooner (2) · Munn & Co. (2) · H. D. Fitzpatrick & Co. (2) · Victor J. Evans (2)
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Showing below up to 54 results in range #1 to #54.

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