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Emil J. Poltorak received US Patent No. 2,459,720 on January 18, 1949, filed March 19, 1945. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to a jacketed gasket, and particularly to a method of providing a folded fabric gasket with a thin, flexible casing or jacket of solvent and heat resistant material, A primary object of the invention is to provide a folded fabric gasket with a thin, flexible jacket of insoluble heat-resistant material which cannot be applied by conventional coating methods.
- Author
- Emil J. Poltorak
- Published by
- US Patent Office
- Series
- US Patent No. 2,459,720
- Date
- January 18, 1949
- Library no.
- ACL Doc 22363 · asbestosclaims.law/library/22363
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 227 KB
Where it was listed
- Asbestos, April 1949, in its patents department (the year's issues)
Cite this document
Emil J. Poltorak. “Folded Fabric Gasket (US Patent 2,459,720, 1949).” January 18, 1949. US Patent No. 2,459,720. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22363. https://asbestosclaims.law/library/22363.
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