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Harold W. Greider received US Patent No. 1,782,384 on November 18, 1930, filed June 27, 1929. It was assigned to Philip Carey Manufacturing Co.
The patent's description opens (from the scanned text):
My invention relates to porous materials, - particularly building materials and moulded heat insulations and the manufacturing process thereof.
- Author
- Harold W. Greider
- Published by
- US Patent Office
- Series
- US Patent No. 1,782,384
- Date
- November 18, 1930
- Library no.
- ACL Doc 22618 · asbestosclaims.law/library/22618
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, January 1931, 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. 374, note 17
Cited on this site
Cite this document
Harold W. Greider. “Heat Insulating Material and Manufacturing Process thereof (US Patent 1,782,384, 1930).” November 18, 1930. US Patent No. 1,782,384. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22618. https://asbestosclaims.law/library/22618.
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