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).
Outside patent searches listing recently available specifications.
| Identifier | ExFiles\Box 147\3\ scan0048 | |
| Date | 7th January 1938 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 7th January 1938. SPECIFICATIONS which have become available (Opposition date the 21st February 1938) ------------------- No. Patentee. Title 476,354 Singer Motors Ltd Improvements relating and Leo Joseph Shorter to Change speed Mechanism for Motor Vehicles. 476,512 Ford Motor Company Ltd Improved Method of and Apparatus for Casting Pistons 476,842 " " " " Improvements in Vehicle Brakes 476,589 Jakob Arter Improvements in or relating to Frictional Change Speed Gears. 476,591 William McMahon An improved suspension for the Road Wheels of Vehicles 476,604 Carl Robert Hugo Bonn. Improvements in and relating to Control Devices for Variable Speed Gearing. 476,627 I.G.Farbenindustrie A.G. Process of Improv- ing the Resistance to Corroding Agents of Aluminium Base Alloys ------------------- | ||