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 from Claremont Haynes & Co. on outside patent searches and specifications which have become available.
| Identifier | ExFiles\Box 147\2\ scan0312 | |
| Date | 2nd May 1940 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 2nd May 1940. SPECIFICATIONS which have become available. (Opposition date 17th June 1940) -------- No. Patentee. Title. T.o E 519,622 C. R.{Sir Henry Royce} Waseige, 62 Boulevard Improvements in or Belle Rive, Rueil relating to variable pitch aerial propellers. XD.o 519,626 The Rover Co. Ltd. and P. Magnetically-controlled A.{Mr Adams} Scott-Iversen change speed gearing “ E 519,666 C. R.{Sir Henry Royce} Waseige Improvements in or relat- ing to Variable Pitch Aerial Propellers “ E 519,667 C. R.{Sir Henry Royce} Waseige Improvements in or relat- ing to Variable Pitch Aerial Propellers “ E 519,670 T. P. de Paravicini Variable speed Gearing for superchargers fans pumps and compressors of Turbo and centrifugal types. ..E 519,803 R.Bosch G.m.b.H Improvements in or relat- ing to magneto-electric machines for ignition purposes. ------------------- | ||