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Charles L. E. De Gaugue Jr and Ralph T. Halstead received US Patent No. 2,861,964 on November 25, 1958, filed November 17, 1953. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to composition brake blocks and more particularly to a molded brake block of novel composition adapted particularly for braking heavy railway equipment.
- Author
- Charles L. E. De Gaugue Jr; Ralph T. Halstead
- Published by
- US Patent Office
- Series
- US Patent No. 2,861,964
- Date
- November 25, 1958
- Library no.
- ACL Doc 22115 · asbestosclaims.law/library/22115
- 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:
Cited on this site
Cite this document
Charles L. E. De Gaugue Jr, Ralph T. Halstead. “Composition brake block (US Patent 2,861,964, 1958).” November 25, 1958. US Patent No. 2,861,964. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22115. https://asbestosclaims.law/library/22115.
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