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 outside patent searches and applications for the week ending 28th July 1938.
| Identifier | ExFiles\Box 147\3\ scan0124 | |
| Date | 28th July 1938 | |
| 646. OUTSIDE PATENT SEARCHES. Week ending 28th July 1938. APPLICATIONS. No. Patentee. Title. 22253 Borg and Beck Co.Ltd Friction clutches. and H.Armitage. 22042 Escher Wyss Maschinen- Devices for hydraulic factriken A.G and control of blades of C.Keller. screw propellers. 21925 The Fairey Aviation Co, Locking pins Ltd. and J.C.Trotter 21961 O.C.Jackson Controllable pitch propellers 22249 D.Napier & Son Ltd. and Apparatus for indicating F.R.F.Ramsay conditions of combustion chambers of internal combustion engines 21713 W.G.Wilson Control of power transmission 21926 " Transmission gearing for self propelled vehicles 21959 Wolseley Motors Ltd., Power transmission and W.M.W.Thomas mechanism of motor vehicles. -----------I----------- 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. | ||