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Karl Herzog received US Patent No. 1,744,764 on January 28, 1930, filed November 20, 1928. It was assigned to Eternit Inc.
The patent's description opens (from the scanned text):
This invention relates to a new and improved device for manufacturing pipes from asbestos cement and similar materials.
- Author
- Karl Herzog
- Published by
- US Patent Office
- Series
- US Patent No. 1,744,764
- Date
- January 28, 1930
- Library no.
- ACL Doc 22190 · asbestosclaims.law/library/22190
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 200 KB
Where it was listed
- Asbestos, March 1930, in its patents department (the year's issues)
Cite this document
Karl Herzog. “Device for Removing Pipes made of Asbestos Cement (US Patent 1,744,764, 1930).” January 28, 1930. US Patent No. 1,744,764. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22190. https://asbestosclaims.law/library/22190.
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