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Patents > Tech fields: instrument & Number of diagram pages: 1-2

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Office:
Inventors:
None (11) · Emil Schimanek (4) · Roger Courtois-Suffit (3) · Oscar Gerhardt (3) · Alfred Maul (3) · Oscar Alvin Danielson (3) · Lawrence Burst Sperry (3) · Eugène-Pierre-Félix-Auguste Coursin (3) · Emil Hyra (2) · Otto E. Lindpaintner (2) · Nicolaas Everhard Groeneveld Meyer (2) · Karl Klinkosch (2) · Harry L. Tanner (2) · Harry Egerton Wimperis (2) · Frank Lee Slack (2) · Floris Albert van Heyst (2) · Wolfgang Kreuter (2) · Edward Joel Pennington (2) · Auguste Ransy-Putzeys (2)
Inventor country:
Applicant person:
None (31) · Roger Courtois-Suffit (3) · Oscar Gerhardt (3) · Lawrence Burst Sperry (3) · Eugène-Pierre-Félix-Auguste Coursin (3) · Emil Schimanek (3) · Emil Hyra (2) · Otto E. Lindpaintner (2) · Nicolaas Everhard Groeneveld Meyer (2) · Karl Klinkosch (2) · Floris Albert van Heyst (2) · Wolfgang Kreuter (2) · Dr. Cornelis Schoute (2) · Auguste Ransy-Putzeys (2)
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Related to aircraft:
National tech categories:
None (27) · FR 6.4 (14) · HU V/h (7) · USPC 33/232 (3) · NL 62.15 (3) · NL 62 (3) · USPC 356/27 (3) · HU VII/a (2) · USPC 89/41.19 (2) · DE 40o (2) · AT 77d (2) · DE 42c.35 (2) · DE 42k.18 (2) · DE 77h.15 (2) · FR 12.3 (2)
IPCs:
None (44) · IPC G01P3/36 (9) · IPC B64D1/02 (2) · IPC G01P5/06 (2) · IPC G01C9/00 (2) · IPC G01C17/00 (2) · IPC F42C7/12 (2) · IPC F42B4/28 (2) · IPC F42B3/117 (2) · IPC B64D45/00 (2) · IPC B64D35/08 (2) · IPC G05D1/06 (2) · IPC B64C1/00 (2)
CPCs:
None (33) · CPC G01P3/36 (10) · CPC F42B4/28 (2) · CPC B64D35/08 (2) · CPC F41G3/24 (2) · CPC F42B3/117 (2) · CPC B64D1/02 (2) · CPC B64C33/02 (2) · CPC G01P5/06 (2) · CPC F42C7/12 (2) · CPC G05D1/0676 (2) · CPC G01C17/00 (2) · CPC Y10T74/12 (2)
First filing:
Cites these patents:
Citations from after 1930:
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