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Phillip David Cannon received US Patent No. 1,732,593 on October 22, 1929, filed June 22, 1928. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to the production of yarn or strands of composite structure comprising textile fibers, and has for a characteristic if'not principal object the construction of a strong yarn or strand composed chiefly of fibers which, by reason of their short length, their relative stiffness, or their inferior coeficient of surface friction, or for other reasons, are ill adapted to the formation of a strand, yarn or the like by the usual processes of spinning.
- Author
- Phillip David Cannon
- Published by
- US Patent Office
- Series
- US Patent No. 1,732,593
- Date
- October 22, 1929
- Library no.
- ACL Doc 23498 · asbestosclaims.law/library/23498
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 8 pages · 995 KB
Where it was listed
- Asbestos, February 1930, in its patents department (the year's issues)
Cite this document
Phillip David Cannon. “Production of Composite Yarns (US Patent 1,732,593, 1929).” October 22, 1929. US Patent No. 1,732,593. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23498. https://asbestosclaims.law/library/23498.
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