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Clarence R. Bresson and Forrest D. Spaulding received US Patent No. 3,864,157 on February 4, 1975, filed December 14, 1971. It was assigned to Phillips Petroleum Co.
The patent's abstract:
An impervious cover structure is produced by laying a polyolefin fabric fused on one side only, fused side against the surface to be covered and the unfused side is coated with a mixture containing asphalt and asbestos fibers.
- Author
- Clarence R. Bresson; Forrest D. Spaulding
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,864,157
- Date
- February 4, 1975
- Library no.
- ACL Doc 22713 · asbestosclaims.law/library/22713
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 409 KB
Where it was listed
- Asbestos, July 1975, in its patents department (the year's issues)
Cite this document
Clarence R. Bresson, Forrest D. Spaulding. “Impervious barrier comprising polyolefin fabric, asphalt and asbestos (US Patent 3,864,157, 1975).” February 4, 1975. US Patent No. 3,864,157. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22713. https://asbestosclaims.law/library/22713.
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