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Patents > Year filed: 1909 & National tech categories: None & Number of text pages: 2-3

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Year filed:
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Year granted:
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Office:
Inventors:
None (6) · Hermann Ruthenberg (3) · Rudolf Wagner (3)
Inventor country:
Applicant person:
None (17) · Hermann Ruthenberg (3) · Rudolf Wagner (3) · John William Dunne (2) · Frank Tingle (2) · Frederic-Charles Rossel (2) · Frederick Richard Simms (2) · Mabel Baron (2) · Preston Albert Watson (2) · Lewis Thomas Godfrey Evans (2) · Daniel-Alexis-Léopold Grosclaude (2) · Robert Esnault-Pelterie (2) · Francis Edward Baron (2) · Henri Peuvot (2) · Milton D. Thompson (2) · Johannes Schilling (2) · James Murray Bett (2) · Thomas Christopher Murphy (2) · John Law Garsed (2) · Johann Schütte (2)
Applicant is inventor:
Full specification filed date:
Application number:
None (37)
Granted:
Publication date:
Supplementary to patent:
None (116) · Patent GB-1908-21754 (2) · Patent FR-1907-382895 (2)
Related to aircraft:
Patent agent:
None (18) · Marks & Clerk (14) · Boult, Wade & Tennant (12) · Herbert Haddan & Co. (9) · None (7) · Abel & Imray (6) · Haseltine, Lake & Co. (6) · G. F. Redfern & Co. (5) · Edward Evans & Co. (4) · Clement Lean (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (24) · IPC B64C39/00 (13) · IPC B64C1/00 (10) · IPC B64C17/00 (10) · IPC B64C3/38 (8) · IPC B64C11/00 (8) · IPC B64B1/00 (7) · IPC B64C13/00 (7) · IPC B63H1/12 (7) · IPC B64C23/00 (6) · IPC B64C33/00 (5) · IPC B64C35/00 (5) · IPC B64C33/02 (4) · IPC B64B1/58 (4) · IPC B64C3/54 (4) · IPC B64C31/06 (3) · IPC B64C25/00 (3)
CPCs:
CPC B64C17/00 (11) · CPC B64B1/00 (10) · CPC B64C2700/6295 (8) · CPC B64C11/006 (7) · CPC B64C39/00 (7) · CPC B64C13/00 (7) · CPC B64C3/385 (7) · CPC B64C2700/6218 (6) · CPC B64C33/00 (6) · CPC B64C23/005 (6) · CPC B64B1/58 (6) · None (5) · CPC B64C35/00 (5) · CPC B64C2700/6256 (5) · CPC B64C2700/6274 (4) · CPC B63H1/12 (4) · CPC B64C33/02 (4) · CPC B64F2700/6296 (4)
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Citations from after 1930:
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