J.D. Roots & Company
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British chartered patent agent J.D. Roots & Company was recorded as being at address Thanet House, Temple Bar, London, W.C.
Possibly the founder was James Dennis Roots who patented in aeronautics himself.
Patents for which J.D. Roots & Company or J. D. Roots & Co. was the patent agent
- Patent GB-1908-23208 (Inventors: Frederick William Thomas Taylor, English title: Improvements in or connected with aerial machines, Patent agent: J.D. Roots & Company)
- Patent GB-1909-29338 (Inventors: Éléazar Mossé, English title: Improvements in Aeroplanes, Patent agent: J.D. Roots & Company)
- Patent GB-1909-7792 (Inventors: James Dennis Roots, English title: Improvements in or relating to Flying Machines, Patent agent: J. D. Roots & Co.)
- Patent GB-1914-22440 (Inventors: Frederick Sigrist, English title: Aeroplane, Applicant firm: Sopwith Aviation Company Limited, Patent agent: J. D. Roots & Co.)
- Patent GB-1915-8337 (Inventors: Frederick Sigrist, English title: Aeroplane, Applicant firm: Sopwith Aviation Company Limited, Patent agent: J. D. Roots & Co.)
- Patent GB-1916-107674 (Inventors: Richard Fitz Power, English title: Improvements in and relating to the Control of Aeroplanes, Patent agent: J. D. Roots & Co.)
- Patent GB-1916-110795 (Inventors: Thomas Sopwith • Sopwith Aviation Company, English title: Improved Device for the Attachment of Cables, Wires, and the like, upon Aircraft, Applicant firm: Sopwith Aviation Company Limited, Patent agent: J. D. Roots & Co.)
- Patent GB-1917-118683 (Inventors: Howard Crunden Cleaver, English title: Improvements relating to propellers for aircraft, Patent agent: J. D. Roots & Co.)
- Patent GB-1918-122916 (Inventors: George Hodges, English title: Improvements in and relating to the Planes of Flying Machines, Patent agent: J. D. Roots & Co.)