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 specifications open to public inspection.
| Identifier | ExFiles\Box 147\2\ scan0141 | |
| Date | 7th December 1939 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 7th December 1939 SPECIFICATIONS not yet accepted which have become open to public inspection ---------- No. Patentee. Title. 10099 Daimler-Benz A.G Pre-combustion chambers for internal combustion engines. 12322 H.Pieper. Power transmitting arrangement for motor driven vehicles. 12379 F.Porsche Splined connections 12731 General Motors Corporation. Sealing diaphragms for fluid-pressure motors. 13096 Aluminium Colors Inc. Treatment of aluminium and aluminium base alloy surfaces 13190 F.Porsche. Ventilating devices. 13231 Bayerische Motoren Werke A.G. Device for opening the bonnets of power-driven vehicles. ---------- Copies of these, or extracts from them can be obtained if desired. | ||