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, listing recently available specifications.
| Identifier | ExFiles\Box 147\2\ scan0049 | |
| Date | 29th June 1939 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. WEEK ENDING 29th JUNE 1939 SPECIFICATIONS which have become available (Opposition date 14th August 1939) ----------------- No. Patentee. Title. BY 506,484 Fichtel & Sachs A.G. Improvements in or relating to Disc Clutches Provided with Vibration Absorbers. BY 506,459 General Motors Corporation Improvements in Throttle Valve Control Devices for Internal Combustion engines BY 506,466 Robert Walton Buzzard Method of Treating Electrolytic Coatings on Magnesium and Magnesium Alloys E.{Mr Elliott - Chief Engineer} 506,488 Junkers Flugzeug-und-Motorenwerke A.G. Improvements in and relating to the cooling of the Compressed Gaseous Charges of Internal Combustion engines E.{Mr Elliott - Chief Engineer} 506,498 Raffaele Matteucci Improvements in Air Propellers with Variable Pitch during flight KY 506,571 Metallurgica Bresciana gia Tempini Process for the Preparation of Alloys of aluminium and nickel E 506,583 Auto Union A.G. Improvements in or relating to the Scavenging of the Cylinders of Two stroke cycle Internal Combustion Engines. | ||