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James E. Neal and Charles L. Irvin received US Patent No. 3,344,015 on September 26, 1967, filed August 3, 1964. It was assigned to Johns Manville.
The patent's description opens:
This invention relates to the manufacture of asbestoscement sheets containing cellulosic fibers; more particularly, it relates to the manufacture of such sheets on a Hatschek machine.
- Author
- James E. Neal; Charles L. Irvin
- Published by
- US Patent Office
- Series
- US Patent No. 3,344,015
- Date
- September 26, 1967
- Library no.
- ACL Doc 23159 · asbestosclaims.law/library/23159
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 524 KB
Where it was listed
- Asbestos, November 1967, in its patents department (the year's issues)
Cite this document
James E. Neal, Charles L. Irvin. “Method of producing asbestos-cement sheets containing cellulosic fiber (US Patent 3,344,015, 1967).” September 26, 1967. US Patent No. 3,344,015. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23159. https://asbestosclaims.law/library/23159.
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