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).
Typed list of patents detailing the patent number, patentee, and title.
| Identifier | ExFiles\Box 147\4\ scan0011 | |
| Date | 11th July 1940 guessed | |
| No. Patentee. Title. D.a. 522,340 The Austine Motor Co.Ltd. Improvements in and L.P.Lord. Radiator Grilles for motor vehicles. E.{Mr Elliott - Chief Engineer} 522,346 United Aircraft Corpor- Improvements in ation. or relating to Liquid Cooled engine cylinders. L. 522,382 Jean Frasch Process for Protect- ing articles made of magnesium or of one of its alloys. ---------------- | ||