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Robert A. Schoenlaub received US Patent No. 2,433,297 on December 23, 1947, filed May 8, 1943. It was assigned to Basic Refractories Inc.
- Author
- Robert A. Schoenlaub
- Published by
- US Patent Office
- Series
- US Patent No. 2,433,297
- Date
- December 23, 1947
- Library no.
- ACL Doc 23396 · asbestosclaims.law/library/23396
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, February 1948, in its patents department (the year's issues)
Cite this document
Robert A. Schoenlaub. “Preparation of Magnesia Carbonate from Calcium Carbonate (US Patent 2,433,297, 1947).” December 23, 1947. US Patent No. 2,433,297. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23396. https://asbestosclaims.law/library/23396.
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