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 and applications for the week ending 17th December 1939.
| Identifier | ExFiles\Box 147\2\ scan0151 | |
| Date | 17th December 1939 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. WEEK ENDING 17TH DECEMBER 1939 APPLICATIONS. No. Patentee. Title. 32110 J.J.V Armstrong Power transmission systems. (Vickers Inc.) 31664 Armstrong Siddeley Light obscuring device for Motors Ltd., and buildings. C.S.Oliver. 31989 De Havilland Aircraft Production of airscrew Co.Ltd., and E.P. blades etc., by moulding King. 31990 Fiat Soc.Anon. Forecarriage supporting the driving unit for motor vehicles. 31991 " " " " 32115 General Motors Cor- Mercury circuit-inter- poration. rupters. 32116 " " Pumps. 32117 " " Friction clutches 32106 H.F.Hobbs. Power transmission variable speed gears 31778 H.Muller and W. Ignition and starting Miller. systems 31773 J.H.Pratt.G.E. Hydraulic transmission Manley and A.H.G mechanism. Girling 31774 " " Brake operating mechanisms 31709 H.R.Ricardo Control of fuel supply to internal combustion engines | ||