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Lewis H. D. Fraser received US Patent No. 2,469,379 on May 10, 1949, filed April 24, 1945. It was assigned to Owens Illinois Glass Co.
The patent's description opens (from the scanned text):
This invention relates to a new type of heat insulating materials and to improved compositions and methods for their preparation.
- Author
- Lewis H. D. Fraser
- Published by
- US Patent Office
- Series
- US Patent No. 2,469,379
- Date
- May 10, 1949
- Library no.
- ACL Doc 22623 · asbestosclaims.law/library/22623
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 13 pages · 1.7 MB
Where it was listed
- Asbestos, June 1949, in its patents department (the year's issues)
Cited on this site
Cite this document
Lewis H. D. Fraser. “Heat Insulating Materials (US Patent 2,469,379, 1949).” May 10, 1949. US Patent No. 2,469,379. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22623. https://asbestosclaims.law/library/22623.
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