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 corresponding numbers, patentees, and titles.
| Identifier | ExFiles\Box 147\2\ scan0268 | |
| Date | 21th March 1940 guessed | |
| No. Patentee. Title. 4382 J.Martin and Martin Ammunition boxes Baker Aircraft Co.Ltd. and means for deliver- ing cartridges there- from to machine guns etc. 4351 W.J.H. Milligan Variable pitch propell- ers. 4696 D.Napier & Son., and Sparking plugs F.R.F. Ramsay 4676 M.E.Pass and L.M. Variable pitch air- Laws. screws etc. 4380 Rotax Ltd., and Relief valves for J.D.S. de Guerin. fluid pressure engine starters --------------------- 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. | ||