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Donald S. Bruce and Ralph T. Halstead received US Patent No. 2,360,645 on October 17, 1944, filed December 12, 1941. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to a product' and process of preparing a composition containing asbestos. fibres. resinouscomponents and sulphur.
- Author
- Donald S. Bruce; Ralph T. Halstead
- Published by
- US Patent Office
- Series
- US Patent No. 2,360,645
- Date
- October 17, 1944
- Library no.
- ACL Doc 22112 · asbestosclaims.law/library/22112
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 196 KB
Where it was listed
- Asbestos, November 1944, in its patents department (the year's issues)
Cite this document
Donald S. Bruce, Ralph T. Halstead. “Composition and Process of Preparing Same (US Patent 2,360,645, 1944).” October 17, 1944. US Patent No. 2,360,645. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22112. https://asbestosclaims.law/library/22112.
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