Drilldown: Patents

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Patents > Office : DE or Other & Publication date: 1918

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Year granted:
Office: (Click arrow to add another value)
Inventors:
None (6) · Heinrich Bier (3) · Floris Albert van Heyst (3) · George Lanzius (2) · Nicolaas Everhard Groeneveld Meyer (2)
Inventor country:
Applicant person:
None (16) · Heinrich Bier (3) · Floris Albert van Heyst (3) · George Lanzius (2) · Nicolaas Everhard Groeneveld Meyer (2) · Dr. Cornelis Schoute (2)
Applicant is inventor:
Tech fields:
airplane (16) · frame (9) · subsystem (7) · construction (6) · military (6) · design (6) · None (5) · propellers (5) · instrument (5) · wings (5) · biplane (4) · flapping (4)
Full specification filed date:
Granted:
Related to aircraft:
Assigned to:
IPCs:
None (33) · IPC B64C3/00 (2) · IPC B64B1/00 (2)
CPCs:
None (31) · CPC B64C11/48 (2) · CPC B64C3/00 (2) · CPC B64B1/00 (2) · CPC B64C25/60 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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