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Patents > Supplementary to patent : Patent US-1913-04-21 George Raymond Lawrence or None & Related to aircraft: Partially

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Office:
Inventors:
None (2) · Jean-Pierre-Eugène Dumont (2) · Joseph Allison Steinmetz (2)
Inventor country:
Applicant person:
None (45) · Joseph Allison Steinmetz (2)
Applicant is inventor:
Tech fields:
propulsion (28) · military (18) · projectile (17) · propeller (17) · None (16) · navigation (12) · marine (11) · stability (9) · windmill (8) · safety (8) · construction (7) · propellers (7) · LTA (6) · blades (6) · fun (5) · paddle-wheel (5) · steam (4) · motors (4) · instrument (4) · paddle wheels (4)
Full specification filed date:
Granted:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (108) · Brewer & Son (3) · Blétry aîné (2)
National tech categories:
None (59) · FR 6.3 (16) · USPC 244/3.23 (9) · USPC 244/3.3 (4) · USPC 416/108 (3) · FR 5.3 (3) · USPC 416/128 (3) · FR 6.2 (3) · USPC 416/228 (2) · USPC 416/139 (2) · USPC 416/135 (2) · USPC 416/132R (2) · USPC 416/132B (2) · USPC 102/371 (2) · FR 6 (2) · FR 6.4 (2) · USPC 416/116 (2) · USPC 416/112 (2)
CPCs:
None (56) · CPC B64C11/006 (15) · CPC Y02E10/72 (6) · CPC F42B10/30 (6) · CPC B64C11/48 (5) · CPC B63H1/04 (4) · CPC F05B2260/74 (4) · CPC B64C11/36 (4) · CPC B64C11/343 (4) · CPC F03D1/025 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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