Drilldown: Patents

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Patents > Inventor country : FR or US & Tech fields: HTA & IPCs : IPC B64C11/00 or None

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Inventors:
Ruter William Springer (4) · Édouard-Jean Bigourdan (3) · Franz Wondra (3) · Frank M. Bell (2) · Léon Daum (2) · Robert M. Thompson (2) · Anthony Maruca (2) · James Jesse Jackson (2)
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Applicant person:
Ruter William Springer (4) · Franz Wondra (3) · Édouard-Jean Bigourdan (2) · Anthony Maruca (2) · James Jesse Jackson (2) · Frank Merrill Bell (2) · Robert M. Thompson (2) · Léon Daum (2)
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None (19)
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Citations from after 1930:
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Showing below up to 67 results in range #1 to #67.

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