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William H. Lykken received US Patent No. 3,269,667 on August 30, 1966, filed March 26, 1965.
The patent's description opens:
This invention relates to a method for the separation and extraction of solid materials, such as the separation of asbestos fibers from asbestos bearing ores and extraction of gangue, and the like.
- Author
- William H. Lykken
- Published by
- US Patent Office
- Series
- US Patent No. 3,269,667
- Date
- August 30, 1966
- Library no.
- ACL Doc 22249 · asbestosclaims.law/library/22249
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 443 KB
Where it was listed
- Asbestos, October 1966, in its patents department (the year's issues)
Cite this document
William H. Lykken. “Extraction method (US Patent 3,269,667, 1966).” August 30, 1966. US Patent No. 3,269,667. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22249. https://asbestosclaims.law/library/22249.
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