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Irving Florman received US Patent No. 2,774,354 on December 18, 1956, filed May 21, 1952.
The patent's description opens (from the scanned text):
This invention relates to filter means for ucts and'smokers articles.
- Author
- Irving Florman
- Published by
- US Patent Office
- Series
- US Patent No. 2,774,354
- Date
- December 18, 1956
- Library no.
- ACL Doc 22031 · asbestosclaims.law/library/22031
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 302 KB
Where it was listed
- Asbestos, January 1957, in its patents department (the year's issues)
Cite this document
Irving Florman. “Chlorophyl impregnated filter means for tobacco products (US Patent 2,774,354, 1956).” December 18, 1956. US Patent No. 2,774,354. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22031. https://asbestosclaims.law/library/22031.
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