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Harold W. Greider and Roger A. Macarthur received US Patent No. 2,348,898 on May 16, 1944, filed December 10, 1940. It was assigned to Philip Carey Manufacturing Co.
The patent's description opens (from the scanned text):
This invention relates to the manufacture of molded heat insulating materials.
- Author
- Harold W. Greider; Roger A. Macarthur
- Published by
- US Patent Office
- Series
- US Patent No. 2,348,898
- Date
- May 16, 1944
- Library no.
- ACL Doc 22656 · asbestosclaims.law/library/22656
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 619 KB
Where it was listed
- Asbestos, July 1944, in its patents department (the year's issues)
Cite this document
Harold W. Greider, Roger A. Macarthur. “Heat Insulation Material (US Patent 2,348,898, 1944).” May 16, 1944. US Patent No. 2,348,898. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22656. https://asbestosclaims.law/library/22656.
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