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John G. Sommer Jr received US Patent No. 3,539,474 on November 10, 1970, filed September 29, 1967. It was assigned to General Tire and Rubber Co.
- Author
- John G. Sommer Jr
- Published by
- US Patent Office
- Series
- US Patent No. 3,539,474
- Date
- November 10, 1970
- Library no.
- ACL Doc 22832 · asbestosclaims.law/library/22832
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, January 1971, in its patents department (the year's issues)
Cite this document
John G. Sommer Jr. “Insulation composition which expands in use (US Patent 3,539,474, 1970).” November 10, 1970. US Patent No. 3,539,474. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22832. https://asbestosclaims.law/library/22832.
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