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Richard L. Thompson and Francis B. Dwyer received US Patent No. 3,395,793 on August 6, 1968, filed November 10, 1965. It was assigned to Colonial Sugar Refining Co Ltd.
The patent's description opens:
This invention relates generally to the sorting of rocks containing minerals of relatively low thermal absorptivity (as hereinafter defined) from barren rocks of relatively high thermal absorptivity.
- Author
- Richard L. Thompson; Francis B. Dwyer
- Published by
- US Patent Office
- Series
- US Patent No. 3,395,793
- Date
- August 6, 1968
- Library no.
- ACL Doc 23148 · asbestosclaims.law/library/23148
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 643 KB
Where it was listed
- Asbestos, September 1968, in its patents department (the year's issues)
Cited on this site
Cite this document
Richard L. Thompson, Francis B. Dwyer. “Method of ore sorting based on differential infrared emission (US Patent 3,395,793, 1968).” August 6, 1968. US Patent No. 3,395,793. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23148. https://asbestosclaims.law/library/23148.
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