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Edward J. Buczkowski received US Patent No. 2,023,990 on December 10, 1935, filed January 21, 1932.
The patent's description opens (from the scanned text):
This invention relates to the formation of tapered articles, particularly shingles, from asbestos cement composition.
- Author
- Edward J. Buczkowski
- Published by
- US Patent Office
- Series
- US Patent No. 2,023,990
- Date
- December 10, 1935
- Library no.
- ACL Doc 23460 · asbestosclaims.law/library/23460
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 581 KB
Where it was listed
- Asbestos, March 1936, in its patents department (the year's issues)
Cite this document
Edward J. Buczkowski. “Process of Forming Shingles (US Patent 2,023,990, 1935).” December 10, 1935. US Patent No. 2,023,990. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23460. https://asbestosclaims.law/library/23460.
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