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Herbert A. Hauptli received US Patent No. 2,391,052 on December 18, 1945, filed August 21, 1941. It was assigned to Maizewood Insulation Co.
- Author
- Herbert A. Hauptli
- Published by
- US Patent Office
- Series
- US Patent No. 2,391,052
- Date
- December 18, 1945
- Library no.
- ACL Doc 23840 · asbestosclaims.law/library/23840
- Rights
- US government work, in the public domain.
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Where it was listed
- Asbestos, February 1946, in its patents department (the year's issues)
Cite this document
Herbert A. Hauptli. “Wallboard Construction (US Patent 2,391,052, 1945).” December 18, 1945. US Patent No. 2,391,052. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23840. https://asbestosclaims.law/library/23840.
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