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Lester Kirschbraun received US Patent No. 1,450,319 on April 3, 1923, filed May 28, 1920. It was assigned to Raybestos CO.
- Author
- Lester Kirschbraun
- Published by
- US Patent Office
- Series
- US Patent No. 1,450,319
- Date
- April 3, 1923
- Library no.
- ACL Doc 23462 · asbestosclaims.law/library/23462
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, May 1923, in its patents department (the year's issues)
Cite this document
Lester Kirschbraun. “Process of Making Asbestos Friction Clutch Rings (US Patent 1,450,319, 1923).” April 3, 1923. US Patent No. 1,450,319. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23462. https://asbestosclaims.law/library/23462.
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