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Otto E. Hosford received US Patent No. 2,538,198 on January 16, 1951, filed April 18, 1947.
The patent's description opens (from the scanned text):
This invention relates to improvements in sealing devices and more particularly relates to sealing rings such as may be employed as oil seals between two telescoping, relatively movable machine elements to prevent the passage of lubricant or dust or other foreign matter axially therebetween.
- Author
- Otto E. Hosford
- Published by
- US Patent Office
- Series
- US Patent No. 2,538,198
- Date
- January 16, 1951
- Library no.
- ACL Doc 23614 · asbestosclaims.law/library/23614
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 8 pages · 819 KB
Where it was listed
- Asbestos, March 1951, in its patents department (the year's issues)
Cite this document
Otto E. Hosford. “Sealing device having interbonded rigid and flexible molded portions (US Patent 2,538,198, 1951).” January 16, 1951. US Patent No. 2,538,198. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23614. https://asbestosclaims.law/library/23614.
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