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).
Outside patent searches listing specifications not yet open to public inspection.
| Identifier | ExFiles\Box 147\2\ scan0148 | |
| Date | 14th December 1939 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. WEEK ENDING 14TH DECEMBER 1939 SPECIFICATIONS not yet accepted which have become open to public inspection No. Patentee. Title. 11884 Vereinigte Aluminium- Process for galvan- Werke A.G. ically coating articles of alumin- ium or aluminium alloys. 12997 N.Cian Variable speed gearing 13391 Daimler-Benz A.G Door and like locks, particularly for motor vehicles. 13464 O.Sorge. Rotary machines of the sliding vane type 13670 R.Matteucci Device for carrying out aerodynamic braking operated by reversal of the pitch of propellers with variable pitch during flight. 13806 Daimler-Benz A.G Arrangement of incandescent plug in an ante-chamber of an internal combustion engine. Copies of these, or extracts from them can be obtained if desired. | ||