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Patents > Year granted: 1917 & Citations from after 1930: None & Number of claims: 2-5

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Year granted:
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Office:
Inventors:
None (8) · Carl Alfred Johansson (4) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (4) · Joseph Allison Steinmetz (3) · Archibald Montgomery Low (2) · Heinrich Bier (2) · Thomas Sopwith (2) · Thomas Sloper (2) · Everard Richard Calthrop (2)
Inventor country:
Applicant person:
None (12) · Carl Alfred Johansson (4) · Joseph Allison Steinmetz (3) · Thomas Sloper (2) · Everard Richard Calthrop (2) · Heinrich Bier (2) · Thomas Sopwith (2) · Archibald Montgomery Low (2)
Applicant is inventor:
Tech fields:
airplane (12) · construction (12) · military (10) · Frame (8) · design (8) · stability (7) · projectile (6) · LTA (5) · HTA (5) · None (5) · propellers (4) · biplane (4) · automatic stability (3) · chassis (3)
Full specification filed date:
Application number:
None (13)
Grant date:
Granted:
Publication date:
Related to aircraft:
CPCs:
None (11) · CPC B64C17/00 (3) · CPC B64C23/005 (2) · CPC B64B1/00 (2) · CPC B64C2700/6274 (2) · CPC B64C39/08 (2) · CPC B64C9/02 (2) · CPC E04B1/346 (2) · CPC B64C3/18 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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