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).
Report by Claremont Haynes & Co. on outside patent searches, listing specifications open to public inspection.
| Identifier | ExFiles\Box 147\2\ scan0014 | |
| Date | 23th February 1939 | |
| 646 OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 23rd February 1939 SPECIFICATIONS not yet accepted which have become open to public inspection ----------------- No. Patentee. Title. 18540 Wayne Pump Co. Change speed devices and liquid-dispensing apparatus employing said change speed device. 18551 " " " 19861 F.Porsche Means for disengaging mechanical clutches. 22680 Aeroplani Caproni Soc.Anon and O.Fuscaldo Liquid fuel injection systems for internal combustion engines 23230 W.Messerschmitt Arrangements for sucking off the boundary layer from aerofoils and the like. 23949 R.S.De Lavaud Hydraulic infinitely-variable change speed device. ----------------- NOTE. Copies of these, or extracts from them can be obtained if desired. | ||