Drilldown: Patents

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Patents > Patent agent : J. D. Roots & Co. or None & Number of claims: 9-40

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Thomas Osborne Perry (3) · Arthur Henry Philip Blunt (3) · William Phillips Thompson (3) · None (2) · James Dennis Roots (2) · James Means (2) · George Francis Myers (2)
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Tech fields:
None (17) · airplane (8) · control (5) · frame (5) · stability (4) · propeller (3) · propellers (3) · automatic stability (3) · takeoff (3) · propulsion (3) · HTA (3) · navigation (3) · rudder (2) · chassis (2) · design (2) · construction (2) · steering (2) · wheels (2) · military (2)
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