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Charles W. Cuno received US Patent No. 2,262,636 on November 11, 1941, filed July 14, 1939. It was assigned to Lehon CO.
The patent's description opens (from the scanned text):
The invention relates to a method of and means for making spiral woundpipe and similar cylindrical objects and has reference more particularly to a method for their continuous and multiple manufacture from plastic material.
- Author
- Charles W. Cuno
- Published by
- US Patent Office
- Series
- US Patent No. 2,262,636
- Date
- November 11, 1941
- Library no.
- ACL Doc 23793 · asbestosclaims.law/library/23793
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 398 KB
Where it was listed
- Asbestos, December 1941, in its patents department (the year's issues)
Cite this document
Charles W. Cuno. “Tubular Articles (US Patent 2,262,636, 1941).” November 11, 1941. US Patent No. 2,262,636. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23793. https://asbestosclaims.law/library/23793.
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