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Ray E. Spokes received US Patent No. 2,052,808 on September 1, 1936, filed December 11, 1934. It was assigned to American Brakeblok Corp.
The patent's description opens (from the scanned text):
This invention relates to composition friction elements and more particularly to a novel backing therefor.
- Author
- Ray E. Spokes
- Published by
- US Patent Office
- Series
- US Patent No. 2,052,808
- Date
- September 1, 1936
- Library no.
- ACL Doc 21847 · asbestosclaims.law/library/21847
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 710 KB
Where it was listed
- Asbestos, January 1937, in its patents department (the year's issues)
Cite this document
Ray E. Spokes. “Backing for Composition Friction Elements (US Patent 2,052,808, 1936).” September 1, 1936. US Patent No. 2,052,808. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21847. https://asbestosclaims.law/library/21847.
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