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).
Report from Claremont Haynes & Co. on outside patent searches listing specifications open for public inspection.
| Identifier | ExFiles\Box 147\2\ scan0282 | |
| Date | 4th April 1940 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 4th April 1940. SPECIFICATIONS not yet accepted which have become open to public inspection No. Patentee. Title. 21746 F.Porsche. Braking devices for automobiles. 23092 Junkers Flugzeug-und-Motorenwerke A.G. Utilization of the exhaust gas energy of aircraft engines for propulsion purposes. 24488 General Motors Corporation. Coil ignition apparatus for internal combustion engines. 24791 M.{Mr Moon / Mr Moore} de Falco Change speed gear. 25231 Chrysler Corporation Power transmission systems for motor vehicles. 25317 Bayerische Motoren Werke A.G Air cooled internal combustion engine. 25318 " Devices for cooling spherical rotary valves for controlling internal combustion engines. ------------------------ Copies of these, or extracts from them can be obtained if desired. | ||