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William Nanfeldt received US Patent No. 2,415,752 on February 11, 1947, filed February 27, 1941. It was assigned to World Bestos Corp.
The patent's description opens (from the scanned text):
This invention relates broadly to friction material, and more particularly to a friction material suitable for use as clutch facings, brake blocks and brake lining, as well as miscellaneous friction Further objects involved are the attainment of a surface composition on brake lining which is self-polishing to a limited extent as well as selflubricating.
- Author
- William Nanfeldt
- Published by
- US Patent Office
- Series
- US Patent No. 2,415,752
- Date
- February 11, 1947
- Library no.
- ACL Doc 22448 · asbestosclaims.law/library/22448
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 793 KB
Where it was listed
- Asbestos, April 1947, in its patents department (the year's issues)
Cite this document
William Nanfeldt. “Friction Material (US Patent 2,415,752, 1947).” February 11, 1947. US Patent No. 2,415,752. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22448. https://asbestosclaims.law/library/22448.
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