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Wilfred James Ellison received US Patent No. 2,280,903 on April 28, 1942, filed January 23, 1940.
The patent's description opens (from the scanned text):
This invention relates to the separation and recovery of short fibrous asbestos from asbestosbearing rock which has been reduced to the form of small granules, The processes generally in use for recovering asbestos fibre from the rockat asbestos mines include some form of crushing or beating operation or both to separate as far as possible the fibre from the rockyto reduce the dimensions of the rock portions, and to open out the fibre portions.
- Author
- Wilfred James Ellison
- Published by
- US Patent Office
- Series
- US Patent No. 2,280,903
- Date
- April 28, 1942
- Library no.
- ACL Doc 23624 · asbestosclaims.law/library/23624
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 7 pages · 654 KB
Where it was listed
- Asbestos, June 1942, in its patents department (the year's issues)
Cite this document
Wilfred James Ellison. “Separation and Recovery of Short Fibrous Asbestos (US Patent 2,280,903, 1942).” April 28, 1942. US Patent No. 2,280,903. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23624. https://asbestosclaims.law/library/23624.
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