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).
List of patents with their respective numbers, patentees, and titles.
| Identifier | ExFiles\Box 147\2\ scan0294 | |
| Date | 23th April 1940 guessed | |
| No. Patentee. Title. 21473 Borg Warner Corporation Clutch members and apparatus for heat treating and forming or shaping such clutch members. 21745 F.Porsche Automobiles. 21748 " Windows,more particularly for automobiles. 23398 Daimler Benz A.G. Liquid-pumps. 23592 Bosch Ges. R.{Sir Henry Royce} Fuel injection apparatus for internal combustion engines 24155 Daimler Benz A.G. Adjustable-hinge device for parts of vehicles 24374. Junkers Flugzeug-und- High altitude Motorenwerke A.G. cables for aircraft 25213 R.Bosch Ges. Devices responsive to varying conditions. 25921 General Motors Brakes. Corporation. 25922 " Hydraulic master-cylinders. 26274 Battelle Memorial Alloys and method Institute. of making same. 26301 R.Bosch.Ges. Starting devices for internal combustion engines 27050 United Aircraft Hollow metal Corporation. propeller blades. 1940 ----- 4881 G.Algarsson. Variable pitch propellers. ----------------------- Copies of these, or extracts from them can be obtained if desired. | ||