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John W. Kraus and Forrest R. Hurley received US Patent No. 3,434,917 on March 25, 1969, filed March 7, 1966. It was assigned to WR Grace and Co.
- Author
- John W. Kraus; Forrest R. Hurley
- Published by
- US Patent Office
- Series
- US Patent No. 3,434,917
- Date
- March 25, 1969
- Library no.
- ACL Doc 23400 · asbestosclaims.law/library/23400
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, May 1969, in its patents department (the year's issues)
Cite this document
John W. Kraus, Forrest R. Hurley. “Preparation of vermiculite paper (US Patent 3,434,917, 1969).” March 25, 1969. US Patent No. 3,434,917. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23400. https://asbestosclaims.law/library/23400.
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