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 by Claremont Haynes & Co. listing specifications which have become available.
| Identifier | ExFiles\Box 147\3\ scan0010 | |
| Date | 18th November 1937 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 18th November 1937. SPECIFICATIONS which have become available. (Opposition date 3rd January 1938) ------------- No. Name of Patentee. Title 473,686 Michel Kadenacy and Improvements in Two- Armstrong Whitworth stroke Internal Combustion Securities Co Ltd. Engines and in particular to the Exhaust Systems thereof. 473,687 " " Improvements in the Exhaust Passages of Two- stroke Internal Combustion Engines. 473,758 The Bristol Aeroplane Co. Improvements in or Ltd, Alfred Hubert Roy{Sir Henry Royce} relating to Crankshafts Fedden and Frank Morgan Owner. 473,864 General Motors Corporation Improvements in Hydraulic Shock Absorbers. 473,881 The Bristol Aeroplane Co. Improvements in or Alfred Hubert Roy{Sir Henry Royce} Fedden and relating to crank-shafts. Frank Morgan Owner. 473,916 Nihon Kako Kabushiki An Aluminium Alloy. Kaisha and Yonosuke Matuenaga. 473,917 " " " " 473,972 Mily De Kremer An improved Gear Changing Device for Motor Vehicles. ---------------------------------------- X 473,684 M.Kadenacy and Armstrong Two stroke internal- Whitworth Securities Co. combustion engines. 473,685 " " Charging of two-stroke internal combustion engines X Copies are being obtained. | ||