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Simon Collier received US Patent No. 1,994,979 on March 19, 1935, filed July 14, 1930.
The patent's description opens (from the scanned text):
This invention relates to friction elements such Vas brake shoes or linings and more particularly to that class of friction blocks orlinings comprising fibrous material intimately admixed with a matrix or binder, and hardened by heat and pressure.
- Author
- Simon Collier
- Published by
- US Patent Office
- Series
- US Patent No. 1,994,979
- Date
- March 19, 1935
- Library no.
- ACL Doc 22386 · asbestosclaims.law/library/22386
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 382 KB
Where it was listed
- Asbestos, June 1935, in its patents department (the year's issues)
Cite this document
Simon Collier. “Friction Element (US Patent 1,994,979, 1935).” March 19, 1935. US Patent No. 1,994,979. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22386. https://asbestosclaims.law/library/22386.
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