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Witt Walter M. De received US Patent No. 1,488,321 on March 25, 1924, filed November 16, 1922. It was assigned to Johns Manville Inc.
The patent's description opens (from the scanned text):
My invention relates generally to gaskets formed'by winding sheets or strips of fabric, such as cloth or paper; cemented together, into coils around a suitable lmandril, and, more particularly, consists in such a gasket having a generally circular cross-section, and in the method of producing such a gasket.
- Author
- Witt Walter M. De
- Published by
- US Patent Office
- Series
- US Patent No. 1,488,321
- Date
- March 25, 1924
- Library no.
- ACL Doc 23200 · asbestosclaims.law/library/23200
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 234 KB
Where it was listed
- Asbestos, July 1924, in its patents department (the year's issues)
Cite this document
Witt Walter M. De. “Molded Fabric Gasket and method of making same (US Patent 1,488,321, 1924).” March 25, 1924. US Patent No. 1,488,321. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23200. https://asbestosclaims.law/library/23200.
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