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 for the week ending 5th September 1940.
| Identifier | ExFiles\Box 147\4\ scan0071 | |
| Date | 5th September 1940 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 5th September 1940. SPECIFICATIONS not yet accepted which have become open to public inspection. ----------------- No. Patentee. Title. 1939 26436 Magnesium Elektron Method of surface treating objects of Ltd. cast magnesium base alloys 26437 " Process for the production of coloured protective layers on castings especially die-castings of magnesium base alloys 32613 G.Algarsson Two pitch airscrew 1940 1030 L.Renault. Process for the production of plasticized synthetic resins and resins produced thereby 1630 R.Turna Variable pitch propellers. 2459 Dow Chemical Co. Treatment of magnesium and its alloys ----------------- Copies of the above specifications or extracts from them can be obtained, if desired. | ||