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Robert B. Macdonald received US Patent No. 1,332,348 on March 2, 1920, filed July 1, 1918.
- Author
- Robert B. Macdonald
- Published by
- US Patent Office
- Series
- US Patent No. 1,332,348
- Date
- March 2, 1920
- Library no.
- ACL Doc 22684 · asbestosclaims.law/library/22684
- Rights
- US government work, in the public domain.
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Where it was listed
- Barry Castleman, Asbestos: Medical and Legal Aspects (5th edition, 2005)
Cited by Barry Castleman
In Asbestos: Medical and Legal Aspects (5th edition, 2005), which cites it in:
- Chapter 6 (Alternatives to Asbestos Insulation), p. 384, note 109
Cited on this site
Cite this document
Robert B. Macdonald. “Heat-insulating material and process of making the same (US Patent 1,332,348, 1920).” March 2, 1920. US Patent No. 1,332,348. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22684. https://asbestosclaims.law/library/22684.
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