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Hans Kattwinkel received US Patent No. 1,755,355 on April 22, 1930, filed October 14, 1926.
The patent's description opens (from the scanned text):
My invention relates to friction bodies, more particularly for the coating of brake bands and the like, and also for the mutually engaging members of friction clutches.
- Author
- Hans Kattwinkel
- Published by
- US Patent Office
- Series
- US Patent No. 1,755,355
- Date
- April 22, 1930
- Library no.
- ACL Doc 22952 · asbestosclaims.law/library/22952
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 234 KB
Where it was listed
- Asbestos, June 1930, in its patents department (the year's issues)
Cite this document
Hans Kattwinkel. “Manufacture of Friction Bodies (US Patent 1,755,355, 1930).” April 22, 1930. US Patent No. 1,755,355. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22952. https://asbestosclaims.law/library/22952.
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