You don't need the product names or old records. No fee unless we recover compensation for your family.
Richard L. Thompson and Francis B. Dwyer received US Patent No. 3,346,111 on October 10, 1967, filed November 10, 1965. It was assigned to Colonial Sugar Refining Co Ltd.
The patent's description opens:
This invention relates to the sorting of rocks containing asbestos from barren rocks.
- Author
- Richard L. Thompson; Francis B. Dwyer
- Published by
- US Patent Office
- Series
- US Patent No. 3,346,111
- Date
- October 10, 1967
- Library no.
- ACL Doc 23167 · asbestosclaims.law/library/23167
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 491 KB
Where it was listed
- Asbestos, December 1967, in its patents department (the year's issues)
Cited on this site
Cite this document
Richard L. Thompson, Francis B. Dwyer. “Method of rendering asbestos ore particles differentially fluorescent (US Patent 3,346,111, 1967).” October 10, 1967. US Patent No. 3,346,111. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23167. https://asbestosclaims.law/library/23167.
ACL Doc numbers and their short links never change. See how to cite the Library.
Talk with an asbestos lawyer
Start with what you remember, and we'll take it from there.
This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.