Drilldown: Patents

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Patents > Year filed: 1913 & Assigned to: None & CPCs: CPC B64C2700/6295

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William Henry Nosworthy (2) · Marcus Clarence Hopkins (2) · Stephane Drzewiecki (2) · Georges-Albert-Joseph Landais (2) · Samuel James Prescott (2) · Louis-Auguste MASSAL (2)
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William Henry Nosworthy (2) · Georges-Albert-Joseph Landais (2) · Stephane Drzewiecki (2) · Samuel James Prescott (2) · Marcus Clarence Hopkins (2)
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