Drilldown: Patents

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Patents > Granted: No & Number of text pages: 3-4

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Office:
Inventors:
None (7) · Paul-Nicolas Lucas-Girardville (2) · Franz Xaver Wels (2)
Inventor country:
Applicant person:
None (7) · Franz Xaver Wels (2)
Applicant is inventor:
Tech fields:
airplane (13) · stability (11) · Frame (9) · None (7) · construction (6) · wings (6) · propulsion (6) · LTA (5) · design (5) · lift (4) · aerodynamics (3) · sail (3)
Full specification filed date:
Granted: (Click arrow to add another value)
Related to aircraft:
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National tech categories:
CPCs:
None (9) · CPC B64C3/385 (6) · CPC B64C17/00 (5) · CPC B64C2700/6295 (3) · CPC B64B1/00 (3) · CPC B64C39/00 (2) · CPC B64C2700/6218 (2) · CPC B64C2700/6214 (2) · CPC B64C17/06 (2) · CPC B64C2700/6216 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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