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George D. Shaver received US Patent No. 1,940,975 on December 26, 1933, filed October 20, 1931. It was assigned to Therminsul Corp OF America.
- Author
- George D. Shaver
- Published by
- US Patent Office
- Series
- US Patent No. 1,940,975
- Date
- December 26, 1933
- Library no.
- ACL Doc 21688 · asbestosclaims.law/library/21688
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, February 1934, in its patents department (the year's issues)
Cite this document
George D. Shaver. “Apparatus for Producing Mineral Wool (US Patent 1,940,975, 1933).” December 26, 1933. US Patent No. 1,940,975. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21688. https://asbestosclaims.law/library/21688.
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