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William A. Blume and Ray E. Spokes received US Patent No. 2,453,188 on November 9, 1948, filed June 28, 1943.
The patent's description opens (from the scanned text):
This invention relates to friction elements such as are employed in the brakes and clutches of automotive vehicles, aircraft, machinery and the like and to the art of producing the same.
- Author
- William A. Blume; Ray E. Spokes
- Published by
- US Patent Office
- Series
- US Patent No. 2,453,188
- Date
- November 9, 1948
- Library no.
- ACL Doc 22410 · asbestosclaims.law/library/22410
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 11 pages · 1.1 MB
Where it was listed
- Asbestos, January 1949, in its patents department (the year's issues)
Cite this document
William A. Blume, Ray E. Spokes. “Friction Elements, and Bonding (US Patent 2,453,188, 1948).” November 9, 1948. US Patent No. 2,453,188. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22410. https://asbestosclaims.law/library/22410.
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