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Wilfred James Ellison received US Patent No. 2,280,902 on April 28, 1942, filed January 23, 1940.
The patent's description opens (from the scanned text):
This invention relates to the opening of asbestos fibrous materials and their cleansing or separation from rock and other foreign matter.
- Author
- Wilfred James Ellison
- Published by
- US Patent Office
- Series
- US Patent No. 2,280,902
- Date
- April 28, 1942
- Library no.
- ACL Doc 23250 · asbestosclaims.law/library/23250
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 10 pages · 950 KB
Where it was listed
- Asbestos, June 1942, in its patents department (the year's issues)
Cite this document
Wilfred James Ellison. “Opening and Cleansing of Asbestos Fibrous Material (US Patent 2,280,902, 1942).” April 28, 1942. US Patent No. 2,280,902. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23250. https://asbestosclaims.law/library/23250.
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