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Albert Whitelaw received US Patent No. 2,149,483 on March 7, 1939, filed May 28, 1936. It was assigned to Raybestos Manhattan Inc.
The patent's description opens (from the scanned text):
This invention relates to improvements in friction elements of the molded or pressed type and a method of making the same, and refers specifically to a friction element of integral construction, portions of which have different physical characteristics and a method of making such elements by compressing the constituents thereof in the dry state.
- Author
- Albert Whitelaw
- Published by
- US Patent Office
- Series
- US Patent No. 2,149,483
- Date
- March 7, 1939
- Library no.
- ACL Doc 22392 · asbestosclaims.law/library/22392
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 362 KB
Where it was listed
- Asbestos, June 1939, in its patents department (the year's issues)
Cite this document
Albert Whitelaw. “Friction Element (US Patent 2,149,483, 1939).” March 7, 1939. US Patent No. 2,149,483. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22392. https://asbestosclaims.law/library/22392.
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