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Harold W. Greider received US Patent No. 1,971,909 on August 28, 1934, filed April 7, 1930. It was assigned to Philip Carey Manufacturing Co.
The patent's description opens (from the scanned text):
This invention relates to products containing magnesium compounds and to the process of manuiacturingbasic magnesium'carbonate.
- Author
- Harold W. Greider
- Published by
- US Patent Office
- Series
- US Patent No. 1,971,909
- Date
- August 28, 1934
- Library no.
- ACL Doc 23530 · asbestosclaims.law/library/23530
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 237 KB
Where it was listed
- Asbestos, October 1934, in its patents department (the year's issues)
Cite this document
Harold W. Greider. “Recovery of Magnesium Hydroxide (US Patent 1,971,909, 1934).” August 28, 1934. US Patent No. 1,971,909. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23530. https://asbestosclaims.law/library/23530.
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