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Robert D. Pike received US Patent No. 1,449,696 on March 27, 1923, filed January 20, 1921.
- Author
- Robert D. Pike
- Published by
- US Patent Office
- Series
- US Patent No. 1,449,696
- Date
- March 27, 1923
- Library no.
- ACL Doc 23090 · asbestosclaims.law/library/23090
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, May 1923, in its patents department (the year's issues)
Cite this document
Robert D. Pike. “Method of Treating Magnesite (US Patent 1,449,696, 1923).” March 27, 1923. US Patent No. 1,449,696. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23090. https://asbestosclaims.law/library/23090.
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