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Oliver W. Pfeifer and Richard F. Shannon received US Patent No. 3,472,668 on October 14, 1969, filed May 31, 1968.
- Author
- Oliver W. Pfeifer; Richard F. Shannon
- Published by
- US Patent Office
- Series
- US Patent No. 3,472,668
- Date
- October 14, 1969
- Library no.
- ACL Doc 23554 · asbestosclaims.law/library/23554
- Rights
- US government work, in the public domain.
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Where it was listed
- Asbestos, December 1969, in its patents department (the year's issues)
- 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. 379, note 59
Cited on this site
Cite this document
Oliver W. Pfeifer, Richard F. Shannon. “Reinforcement of lower density inorganic structures (US Patent 3,472,668, 1969).” October 14, 1969. US Patent No. 3,472,668. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23554. https://asbestosclaims.law/library/23554.
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