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Patents > Inventor country: None & National tech categories : DE 62h.16 or None

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Inventor country: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (2075) · LTA (87) · Balloon (70) · propulsion (63) · navigation (51) · Airplane (37) · balloons (19) · propeller (18) · frame (16) · instrument (14) · stability (13) · design (12) · propellers (12) · dirigible (10) · control (10) · marine (10) · wings (10) · aerodynamics (9) · Construction (8) · safety (8)
Application number:
Granted:
Patent agent:
None (2413) · Marks & Clerk (4) · Boult, Wade & Tennant (3) · 1 (2) · Haseltine, Lake & Co. (2) · None (2) · Brewer & Son (2) · Casalonga (2) · J.H. Johnson (2) · Alfred Julius Boult (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (2420) · IPC B64C39/00 (8) · IPC B64C13/00 (3) · IPC B64C17/00 (3) · IPC B64C23/00 (3) · IPC B64C11/00 (3) · IPC B64C5/04 (2) · IPC B64C33/02 (2) · IPC B64C31/06 (2) · IPC B64C27/04 (2) · IPC B64D27/00 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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