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 and applications for the week ending 17th March 1940.
| Identifier | ExFiles\Box 147\2\ scan0267 | |
| Date | 17th March 1940 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 17th March 1940. APPLICATIONS. No. Patentee. Title. 4626 Aluminium Plant & Vessel Co.Ltd., and H.W.G. Hignett. Aluminium alloys. 4378 Bendix Westinghouse Automotive Air Brake Co. Gear shifting mechanism 4471 De Haviland Aircraft Co.Ltd., and K.B. Gillmore. Counter-rotating coaxial airscrews. 4264. A.C.Dodson Driving of aircraft and driving of supercharges for internal-combustion engines, particularly for aircraft 4598 Fairey Aviation Co.Ltd., and M.E.A. Wright. Sighting apparatus 4431 General Motors Corporation. Ignition systems. 4432 " Automatic circuit interrupters. 4433 " Friction clutches 4434 " Oscillating mechanism 4435 " Metal vehicle bodies 4591 W.B.Hamilton Treatment of powdered or scrap magnesium metal or alloys 4285 Jablo Holdings Ltd.J.C Dear and E.W.Reissner. Screw propellers. | ||