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Izador Jacob Novak received US Patent No. 1,891,723 on December 20, 1932, filed May 17, 1930.
The patent's description opens (from the scanned text):
This invention relates to an'improved construction for molded friction elements, especially brake blocks whereby certain deficiencies of earlier types are eliminated.
- Author
- Izador Jacob Novak
- Published by
- US Patent Office
- Series
- US Patent No. 1,891,723
- Date
- December 20, 1932
- Library no.
- ACL Doc 22087 · asbestosclaims.law/library/22087
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 281 KB
Where it was listed
- Asbestos, February 1933, in its patents department (the year's issues)
Cite this document
Izador Jacob Novak. “Composite Friction Block (US Patent 1,891,723, 1932).” December 20, 1932. US Patent No. 1,891,723. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22087. https://asbestosclaims.law/library/22087.
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