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Vaughan W. Rhoades received US Patent No. 3,119,448 on January 28, 1964, filed October 5, 1962. It was assigned to Cities Service Research and Development Co.
The patent's description opens:
This invention relates to permeable cement filters and more particularly to the use of permeable cement in forming such filters as a screening media for unconsolidated producing horizons of oil and gas wells.
- Author
- Vaughan W. Rhoades
- Published by
- US Patent Office
- Series
- US Patent No. 3,119,448
- Date
- January 28, 1964
- Library no.
- ACL Doc 23308 · asbestosclaims.law/library/23308
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 7 pages · 881 KB
Where it was listed
- Asbestos, January 1965, in its patents department (the year's issues)
Cite this document
Vaughan W. Rhoades. “Permeable well cement (US Patent 3,119,448, 1964).” January 28, 1964. US Patent No. 3,119,448. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23308. https://asbestosclaims.law/library/23308.
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