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Hans Kattwinkel received US Patent No. 1,836,174 on December 15, 1931, filed November 23, 1926.
The patent's description opens (from the scanned text):
My invention relates to improvements in brake coverings and the like and the process of manufacturing the same.
- Author
- Hans Kattwinkel
- Published by
- US Patent Office
- Series
- US Patent No. 1,836,174
- Date
- December 15, 1931
- Library no.
- ACL Doc 21882 · asbestosclaims.law/library/21882
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 323 KB
Where it was listed
- Asbestos, January 1932, in its patents department (the year's issues)
Cite this document
Hans Kattwinkel. “Brake Covering and the Like (US Patent 1,836,174, 1931).” December 15, 1931. US Patent No. 1,836,174. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21882. https://asbestosclaims.law/library/21882.
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