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Ray E. Spokes and Hobart H. Willard received US Patent No. 2,049,522 on August 4, 1936, filed March 17, 1934. It was assigned to American Brakeblok Corp.
The patent's description opens (from the scanned text):
This invention relates to friction elements of the kind used in brakes, clutches and similar devices and more particularly .to composition friction elements adapted for use in the brakes of 5 automotive vehicles and the like.
- Author
- Ray E. Spokes; Hobart H. Willard
- Published by
- US Patent Office
- Series
- US Patent No. 2,049,522
- Date
- August 4, 1936
- Library no.
- ACL Doc 22389 · asbestosclaims.law/library/22389
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 695 KB
Where it was listed
- Asbestos, October 1936, in its patents department (the year's issues)
Cite this document
Ray E. Spokes, Hobart H. Willard. “Friction Element (US Patent 2,049,522, 1936).” August 4, 1936. US Patent No. 2,049,522. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22389. https://asbestosclaims.law/library/22389.
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