Drilldown: Patents

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Patents > Office : DK or IN or LU & National tech categories: DK 77 & First filing : No or None

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Inventors:
None (4) · Alfred John Macy (4) · Walter George Tarrant‎ (2) · Richard Wilcke (2) · Carl Franz Hubert Hertel (2) · Carl Wilhelm Paul (2) · Albert Graff (2)
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Tech fields:
airplane (20) · Design (15) · Frame (13) · stability (10) · wings (10) · LTA (9) · navigation (8) · Lift (7) · Construction (7) · subsystem (6) · propulsion (5) · propellers (4) · Control (4) · whole (3) · steering (3) · Flapping (3) · balloon (3) · wheels (3) · airship (3)
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Showing below up to 41 results in range #1 to #41.

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