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 by Claremont Haynes & Co. on outside patent searches and available specifications.

Identifier  ExFiles\Box 147\1\  scan0279
Date  9th September 1937
  
OUTSIDE PATENT SEARCHES

REPORT BY CLAREMONT HAYNES & CO.

Week ending 9th September 1937.

SPECIFICATIONS WHICH HAVE BECOME AVAILABLE

(Opposition date 24th October 1937)

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No. Name of Patentee. Title.

470,157 General Motors Corporation Improvements in shaft supports.

470,176 Charles Humfrey Humphreys Improvement in Change Speed Mechanism

470,226 Achille Ernest Gaba Improvements in or relating to apparatus for varying the pitch of an aircraft propeller during flight

470,227 Friedrich Eugen Maier Improvements in or relating to spring suspension means

470,237 General Motors Corporation Improvements in Repeat Welders.

470,284 Woodward Governor Company Automatic Governor Control for Controllable Pitch Propeller.

470,331 Norman Adrian de Bruyne Improvements relating to the Manufacture of Material and Articles from Resinous substances.
and The De Havilland
Aircraft Co.Ltd.

470,392 John Henry Bradbury and Improvements in or relating to Gear Boxes
Frederick Clifton Russell

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