Drilldown: Patents

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Patents > Tech fields : clinometer or safety & National tech categories: None

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Office:
Inventors:
None (7) · Leonardo Torres Quevedo (4) · Nazaire Lacrotte (4) · Frédéric-Marie Piret (2) · Caspar Braun (2) · Carl Armbruster (2) · George Raymond Lawrence (2) · August Ernst Grimmer (2) · Everard Richard Calthrop (2) · Louis de Cherrier (2) · Joseph Wetterwald (2) · William Andrew Hutson (2)
Inventor country:
Applicant person:
None (37) · Leonardo Torres Quevedo (3) · Nazaire Lacrotte (3) · Carl Armbruster (2) · Louis de Cherrier (2) · George Raymond Lawrence (2) · Frédéric-Marie Piret (2) · Everard Richard Calthrop (2) · Joseph Wetterwald (2) · August Ernst Grimmer (2) · William Phillips Thompson (2) · William Andrew Hutson (2)
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Related to aircraft:
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CPCs:
None (44) · CPC B64C17/00 (3) · CPC B64D10/00 (3) · CPC B64B1/00 (3) · CPC B64B1/62 (2) · CPC A41D31/005 (2) · CPC B64C2700/6295 (2) · CPC B64C23/005 (2) · CPC B64B1/66 (2) · CPC B64D17/00 (2) · CPC A63B2071/1208 (2) · CPC A63B71/1225 (2) · CPC A63B2071/1258 (2) · CPC A63B2071/1241 (2) · CPC A63B2071/125 (2)
First filing:
Cites these patents:
Citations from after 1930:
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