Drilldown: Patents

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Patents > Office: US & Patent agent : Richardson or None & Number of text pages: 1-2

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Tech fields:
LTA (75) · propulsion (57) · frame (56) · airplane (53) · propeller (47) · navigation (40) · stability (39) · military (31) · balloon (30) · marine (28) · projectile (26) · Propellers (24) · design (22) · safety (21) · construction (21) · rudder (18) · airfoil (18) · None (17) · parachute (15) · kite (15)
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None (212)
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Supplementary to patent:
None (318) · Patent GB-1911-2636 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
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Assigned to:
None (308) · Moteurs Salmson (5) · 1 (2)
IPCs:
None (223) · IPC B64B1/00 (22) · IPC B64C31/06 (8) · IPC B64C31/00 (8) · IPC F42B10/00 (6) · IPC B64C11/00 (6) · IPC A01H5/02 (5) · IPC B64C3/00 (5) · IPC B64C9/00 (4) · IPC B64B1/62 (4) · IPC B64B1/40 (4) · IPC B64C33/00 (3) · IPC B64C1/00 (3) · IPC B64B1/58 (3) · IPC B64C27/00 (3) · IPC A63H27/00 (3)
First filing:
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