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Fred Wilson Smith, Harold W. Greider and Lloyd K. Becker received US Patent No. 2,421,721 on June 3, 1947, filed June 13, 1944. It was assigned to Philip Carey Manufacturing Co.
The patent's description opens (from the scanned text):
This invention relates to molded composition products and relates particularly to rigid molded composition products of hardened cementitious material.
- Author
- Fred Wilson Smith; Harold W. Greider; Lloyd K. Becker
- Published by
- US Patent Office
- Series
- US Patent No. 2,421,721
- Date
- June 3, 1947
- Library no.
- ACL Doc 23201 · asbestosclaims.law/library/23201
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 9 pages · 1.2 MB
Where it was listed
- Asbestos, August 1947, in its patents department (the year's issues)
Cite this document
Fred Wilson Smith, Harold W. Greider, Lloyd K. Becker. “Molded Fibre and Cement Composition Product (US Patent 2,421,721, 1947).” June 3, 1947. US Patent No. 2,421,721. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23201. https://asbestosclaims.law/library/23201.
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