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 by Claremont Haynes & Co. on outside patent searches for the week ending 21st March 1940.
| Identifier | ExFiles\Box 147\2\ scan0269 | |
| Date | 21th March 1940 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. WEEK ENDING 21st March 1940. SPECIFICATIONS not yet accepted which have become open to public inspection. ======== No. Patentee. Title. 36192 Daimler-Benz A.G. Frame structures for motor road vehicles. 37024 " " Driving arrangement for motor vehicles 13149 " " Frame structures for motor road vehicles. 17257 " " Radial multi-cylinder internal combustion engines 19286 " " Driving arrangements for blowers of internal-combustion engines. 11962 Magnesium Elektron Ltd Bearings 21197 F.Porsche Vehicle bodies 21733 Dow Chemical Co. Coated magnesium or magnesium alloy articles and method for the production thereof. 21733 " " " Method of producing coloured coatings upon magnesium and its alloys. 22292 Allis Chalmers Manufacturing Co. Variable speed power transmission 22553 Junkers Flugzeug-und-Motorenwerke.A.G. Propulsion of aircraft 22834 " " Internal combustion aircraft engine 22835 " " Check valves. | ||