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Henry J. Palumbo received US Patent No. 2,939,247 on June 7, 1960, filed May 24, 1956. It was assigned to Johns Manville.
The patent's description opens:
This invention relates to fluid-permeable ceramic plant husbandry equipment which has been rendered parasitic minor plant growth proof and to methods for the production thereof.
- Author
- Henry J. Palumbo
- Published by
- US Patent Office
- Series
- US Patent No. 2,939,247
- Date
- June 7, 1960
- Library no.
- ACL Doc 23384 · asbestosclaims.law/library/23384
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 524 KB
Where it was listed
- Asbestos, October 1960, in its patents department (the year's issues)
Cite this document
Henry J. Palumbo. “Porous ceramic plant husbandry equipment and methods of production thereof (US Patent 2,939,247, 1960).” June 7, 1960. US Patent No. 2,939,247. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23384. https://asbestosclaims.law/library/23384.
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