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 patent applications with their numbers, patentees, and titles.
| Identifier | ExFiles\Box 147\3\ scan0026 | |
| Date | 22th December 1937 guessed | |
| No. Name of Patentee. Title. 31996 H.J.Payne Aircraft 32428 A.Ryba-Ges., Change speed gears. 32429 " " " " " (cognate with 32428) 32430 " " " " " (cognate with 32428) 31849 Steyr-Daimler-Puch.A.G. Spring-suspensions of motor vehicles. ----------------- It should be noted that it is not possible to obtain further information regarding the above until or unless the applications are completed and published. ----------------- | ||