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).
Patent search report by Claremont Haynes & Co. listing available patent specifications.
| Identifier | ExFiles\Box 147\2\ scan0100 | |
| Date | 12th October 1939 | |
| OUTSIDE PATENT SEARCHES REPORT BY CLAREMONT HAYNES & CO. Week ending 12th October 1939 SPECIFICATIONS whichhave become available. (Opposition Date13th November 1939) No. Patentee Title E.{Mr Elliott - Chief Engineer} 512,468 The Bristol Aeroplane Co. Ltd. and L. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Frise Improvements in Rotary Gear Pumps. ----------- | ||