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Patents > Inventor country : DE or NL & Applicant firm: None & Tech fields: navigation

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Office:
Inventors:
Richard Wilcke (6) · Albert Graff (6) · Alexander Albert Holle (4) · Paul Lehmann (3) · Wilhelm Jacob Hoffmann (3) · Gustav Kerwat (3) · Johann Schütte (2) · Ramiro de Palacios (2) · Ferdinand von Zeppelin (2) · Reinhard Mannesmann (2) · Ernst Carl Alexander Baumann (2) · Ernst Emil Freytag (2) · Charles Bellens (2) · August Schlegelmilch (2) · Ernst Georg August Baumgarten (2) · Wilhelm Goetjes (2) · Alfred K. R. A. Krakow (2) · Hugo Lentz (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (45) · Gustav Kerwat (3) · Paul Lehmann (3) · Richard Wilcke (3) · August Schlegelmilch (2) · Albert Graff (2) · Alexander Albert Holle (2)
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Granted:
Related to aircraft:
National tech categories:
None (25) · DE 77 (18) · FR 6.4 (13) · GB 4 propel & steer (4) · DK 77 (4) · DE 77h.5 (4) · DE 77h.15 (3) · AT 77d (2) · GB 4 with buoyant (2) · DE 77h.6 (2) · DE 42c.41 (2) · CH 129b (2)
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Cites these patents:
Citations from after 1930:
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