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Jr Anderson Pace received US Patent No. 2,149,979 on March 7, 1939, filed October 28, 1937. It was assigned to Lehon CO.
The patent's description opens (from the scanned text):
The invention relates to the dyeing of siliceous materials, as for example, asbestos and the like, and has for its primary object to provide an improved method wherein the fibers are first treated for separating the fibers and which prepares them for dyeing.
- Author
- Jr Anderson Pace
- Published by
- US Patent Office
- Series
- US Patent No. 2,149,979
- Date
- March 7, 1939
- Library no.
- ACL Doc 22217 · asbestosclaims.law/library/22217
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 303 KB
Where it was listed
- Asbestos, June 1939, in its patents department (the year's issues)
Cite this document
Jr Anderson Pace. “Dyeing of Mineral Materials (US Patent 2,149,979, 1939).” March 7, 1939. US Patent No. 2,149,979. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22217. https://asbestosclaims.law/library/22217.
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