Drilldown: Patents

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Patents > Tech fields: Airship & Number of figures: 8-17

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None (3) · Joseph Evans Cooper (3) · Gustav Behrens (2) · Rudolf Wagner (2) · Charles Groombridge (2) · Heinrich Hildebrand (2) · Frank John Tippen (2) · William Alfred South (2) · George Holt Thomas (2)
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None (5) · Joseph Evans Cooper (3) · Gustav Behrens (2) · William Alfred South (2) · Charles Groombridge (2) · Heinrich Hildebrand (2) · Rudolf Wagner (2) · Frank John Tippen (2) · George Holt Thomas (2)
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