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 for the week.
| Identifier | ExFiles\Box 147\3\ scan0115 | |
| Date | 30th June 1938 | |
| 646. OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 30th June 1938 APPLICATIONS. No. Patentee. Title. 18750 Armstrong Siddeley Aircraft Engines Motors Ltd., L.F.D.Fell etc. and J.Lloyd. 19197 Auto Union A.G Construction of Motor Vehicles. 19383 " " " Rotary valves for internal combustion engines. 19006 Borg and Beck Co.Ltd. Friction Clutches. 19361 Bristol Aeroplane Cylinders of Co.Ltd. and H.C.Mansell internal- combustion engines 19019 Daimler Benz A.G Control means for charging blowers of internal combustion engines. 19020 " " " Diesel engines 18757 General Motors Corporation Spring suspen- sion systems for vehicles. 19102 J.F.Huson Variable- speed gearing | ||