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Lee C. Pharo received US Patent No. 2,420,495 on May 13, 1947, filed March 26, 1943.
The patent's description opens (from the scanned text):
This invention relates to the treatment of fibrous materials, particularly to material of the nature of asbestos, to remove therefrom finely divided foreign substances such as dust.
- Author
- Lee C. Pharo
- Published by
- US Patent Office
- Series
- US Patent No. 2,420,495
- Date
- May 13, 1947
- Library no.
- ACL Doc 21759 · asbestosclaims.law/library/21759
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 412 KB
Where it was listed
- Asbestos, July 1947, in its patents department (the year's issues)
Cited on this site
Cite this document
Lee C. Pharo. “Asbestos Dusting Process and Apparatus (US Patent 2,420,495, 1947).” May 13, 1947. US Patent No. 2,420,495. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21759. https://asbestosclaims.law/library/21759.
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