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Jr Frederick H. Hollenberg received US Patent No. 2,633,433 on March 31, 1953, filed May 2, 1946. It was assigned to Baldwin-Hill Co.
The patent's description opens (from the scanned text):
The present invention relates to an inorganic fibre insulating material of unusual and improved properties, and to a wet process of producing the same, and more particularly, it relates to an insulating sheet material which is characterized by its fire-resistance.
- Author
- Jr Frederick H. Hollenberg
- Published by
- US Patent Office
- Series
- US Patent No. 2,633,433
- Date
- March 31, 1953
- Library no.
- ACL Doc 22811 · asbestosclaims.law/library/22811
- 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 36
- Chapter 9 (Company Knowledge), p. 565
Cited on this site
Cite this document
Jr Frederick H. Hollenberg. “Insulating material (US Patent 2,633,433, 1953).” March 31, 1953. US Patent No. 2,633,433. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22811. https://asbestosclaims.law/library/22811.
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