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Walter J. Smith and Raymond W. James received US Patent No. 2,797,163 on June 25, 1957, filed November 22, 1952.
The patent's description opens (from the scanned text):
This invention relates to a new and improved fibrous material and a method for making the same by a wet process and relates particularly to an efiicient, temperature-resistant filter medium having good strength properties suitable as a filter for both gases and liquids.
- Author
- Walter J. Smith; Raymond W. James
- Published by
- US Patent Office
- Series
- US Patent No. 2,797,163
- Date
- June 25, 1957
- Library no.
- ACL Doc 23130 · asbestosclaims.law/library/23130
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 687 KB
Where it was listed
- Asbestos, August 1957, in its patents department (the year's issues)
Cited on this site
Cite this document
Walter J. Smith, Raymond W. James. “Method of making filter media (US Patent 2,797,163, 1957).” June 25, 1957. US Patent No. 2,797,163. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23130. https://asbestosclaims.law/library/23130.
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