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Marcus W. Keyes received US Patent No. 2,906,317 on September 29, 1959, filed March 23, 1956. It was assigned to Pittsburgh Plate Glass Co.
The patent's description opens (from the scanned text):
The present invention relates to a method of shaping porous, low density, fibrous bodies and it has particular relation to a continuous method of forming porous, low density, cylindrical, fibrous bodies suitable for use as pipe insulation.
- Author
- Marcus W. Keyes
- Published by
- US Patent Office
- Series
- US Patent No. 2,906,317
- Date
- September 29, 1959
- Library no.
- ACL Doc 23168 · asbestosclaims.law/library/23168
- Rights
- US government work, in the public domain.
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Where it was listed
- Barry Castleman, Asbestos: Medical and Legal Aspects (5th edition, 2005)
Cited by Barry Castleman
In Asbestos: Medical and Legal Aspects (5th edition, 2005), which cites it in:
- Chapter 6 (Alternatives to Asbestos Insulation), p. 375, note 27
Cited on this site
Cite this document
Marcus W. Keyes. “Method of shaping fibrous bodies (US Patent 2,906,317, 1959).” September 29, 1959. US Patent No. 2,906,317. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23168. https://asbestosclaims.law/library/23168.
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