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Adolfo Mazza received US Patent No. 1,984,073 on December 11, 1934, filed March 18, 1931.
The patent's description opens (from the scanned text):
This invention relates to improved asbestos and cement pipes of small diameter and to a process and machine for the manufacture of the same. ' Processes, and machines for the manufacture of asbestos and cement pipes are well known.
- Author
- Adolfo Mazza
- Published by
- US Patent Office
- Series
- US Patent No. 1,984,073
- Date
- December 11, 1934
- Library no.
- ACL Doc 23413 · asbestosclaims.law/library/23413
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 306 KB
Where it was listed
- Asbestos, February 1935, in its patents department (the year's issues)
Cite this document
Adolfo Mazza. “Process and Machinery for the Manufacture of Asbestos Cement Pipes of Small Diameter (US Patent 1,984,073, 1934).” December 11, 1934. US Patent No. 1,984,073. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23413. https://asbestosclaims.law/library/23413.
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