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Franklin W. Eschen received US Patent No. 3,346,490 on October 10, 1967, filed July 15, 1963. It was assigned to Johns Manville.
The patent's description opens:
This invention relates to journal hearings or bushings, and more particularly to improved .bearings and bushings for continuous operation under conditions of elevated temperatures, the compositions and method of producing the same.
- Author
- Franklin W. Eschen
- Published by
- US Patent Office
- Series
- US Patent No. 3,346,490
- Date
- October 10, 1967
- Library no.
- ACL Doc 22671 · asbestosclaims.law/library/22671
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 501 KB
Where it was listed
- Asbestos, December 1967, in its patents department (the year's issues)
Cite this document
Franklin W. Eschen. “Heat resistant bearing product (US Patent 3,346,490, 1967).” October 10, 1967. US Patent No. 3,346,490. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22671. https://asbestosclaims.law/library/22671.
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