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Patents > Applicant firm : Piguet & Co. or None & Citations from after 1930: 2-5

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None (277) · New York (5) · Seine (4) · New Jersey (4) · Allegheny county, Pennsylvania (3) · PA (3) · Pittsburgh (3) · Ohio (3) · London (3) · Illinois (3) · Cleveland (3) · Chicago (3) · Los Angeles (2) · Indiana (2) · Liverpool (2) · Kansas (2)
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Tech fields:
None (71) · propeller (38) · LTA (37) · frame (27) · Stability (24) · airplane (23) · military (22) · propulsion (22) · helicopter (18) · projectile (17) · parachute (15) · marine (15) · navigation (14) · kite (13) · Windmill (13) · Safety (13) · rudder (12) · aerial propeller (9) · propellers (9) · balloon (9)
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Application number:
None (131)
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Related to aircraft:
Patent agent:
None (37) · Munn & Co. (24) · Victor J. Evans (17) · None (16) · Joshua R. H. Potts (4) · Marks & Clerk (4) · Armengaud jeune (3) · Joseph F. O'Brien (3) · L. Chassevent (3) · H. C. Evert & Co. (3) · C. C. Hines (3) · Boult, Wade & Tennant (3) · James L. Norris (3)
National tech categories:
None (131) · FR 6.4 (19) · USPC 244/3.23 (14) · USPC 244/153R (9) · USPC 244/119 (8) · USPC 244/17.11 (4) · USPC 244/35R (4) · USPC 244/52 (4) · USPC 244/30 (4) · USPC 244/64 (4) · FR 5.8 (4) · USPC 244/17.15 (4) · USPC 244/17.19 (4) · USPC 244/25 (4)
IPCs:
None (204) · IPC B64B1/00 (14) · IPC B64C31/06 (8) · IPC B64C3/00 (6) · IPC B64C39/00 (6) · IPC B64C23/00 (6) · IPC B64C31/00 (6) · IPC F42B10/00 (5) · IPC B64C33/02 (5) · IPC B64C1/00 (4) · IPC B64C25/00 (4) · IPC B64C27/04 (4) · IPC B64C17/00 (4) · IPC B64C33/00 (4) · IPC B64C3/18 (3) · IPC B64C13/00 (3) · IPC B64C31/04 (3) · IPC B64C3/56 (3) · IPC B64C3/38 (3) · IPC B63H1/12 (3)
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Citations from after 1930:
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