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Dudley T. Colton received US Patent No. 2,445,210 on July 13, 1948, filed December 4, 1945. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to the manufacture of hard and dense fibro-cementitious sheets.
- Author
- Dudley T. Colton
- Published by
- US Patent Office
- Series
- US Patent No. 2,445,210
- Date
- July 13, 1948
- Library no.
- ACL Doc 22273 · asbestosclaims.law/library/22273
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 461 KB
Where it was listed
- Asbestos, September 1948, in its patents department (the year's issues)
Cite this document
Dudley T. Colton. “Fibro-Cementitious Sheets (US Patent 2,445,210, 1948).” July 13, 1948. US Patent No. 2,445,210. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22273. https://asbestosclaims.law/library/22273.
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