Rolls-Royce Archives
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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 detailing patent specifications open to public inspection.

Identifier  ExFiles\Box 147\4\  scan0009
Date  4th July 1940
  
OUTSIDE PATENT SEARCHES

REPORT BY CLAREMONT HAYNES & CO

Week ending 4th July 1940

SPECIFICATIONS not yet accepted which have become open to public inspection

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No. Patentee Title

23901 Von Giesche's Erben G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Magnesium alloys

32474 British Thomson-Houston Co. Heat treatment of aluminium base alloys

1940
5933 F.{Mr Friese} Porsche Cusions, more particularly for automobiles.

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Copies of these, or extracts from them can be obtained if desired.
  
  


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