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 which have become available for the week ending 25th May 1939.
| Identifier | ExFiles\Box 147\2\ scan0037 | |
| Date | 25th May 1939 | |
| 646 OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO WEEK ENDING 25th MAY 1939 SPECIFICATIONS which have become available (Opposition date 3rd July 1939) ------------------------ No. Patentee. Title. E.{Mr Elliott - Chief Engineer} 504,377 The De Havilland Aircraft Improvements in or Company and Ernest Platten relating to Hollow King. Moulded Plastic Airscrew Blades. E.{Mr Elliott - Chief Engineer} 504,385 Fletcher & Winterbottom Improvements in or Ltd., and Harry Allen relating to Rotary blowers or Com- pressors E.{Mr Elliott - Chief Engineer} 504,386 Bendix Aviation Corporation Improvements in or relating to High Tension Ignition Systems By 504,486 Daimler-Benz A.G Method for the Operation of Interna Combustion Engines Operated with Light Fuels. E.{Mr Elliott - Chief Engineer} 504,539 Sir W.G.Armstrong Whitworth Arrangement of Aircraft Ltd., and John Aircraft Engines Lloyd E.{Mr Elliott - Chief Engineer} 504,563 D.Napier & Son Ltd., Improvements in Frank Bernard Halford and or relating to Ball Benjamin William Barlow and Socket Joints E.{Mr Elliott - Chief Engineer} 504,702 Bayerische Motoren Improvements in Werke A.G Valves of Internal Combustion Engines and Cooling Means therefor | ||