From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Patent search report from Claremont Haynes & Co listing recently available specifications.
| Identifier | ExFiles\Box 147\1\ scan0287 | |
| Date | 21th October 1937 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 21st October 1937. SPECIFICATIONS which have become available (Opposition date 6th December 1937) ------------------------------------------------ No. Name of Patentee. Title. E 472,263 The Bristol Aeroplane Improvements in Co,Ltd. and Alfred or relating to Hubert Roy{Sir Henry Royce} Fedden. Valve Gear for Multi-cylinder Internal-combustion engines. 472,452 General Motors Corporation Improvements in Silencers for Gaseous Currents. 472,461 Zavody Tatra Akciova Improvements in or Spolecnost Pro Stavbu relating to Automobilu A Zeleznicnich Change Speed and Vozu. Axle Drive Gears for Motor Vehicles. | ||