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Harold T. Coss received US Patent No. 2,085,793 on July 6, 1937, filed August 18, 1934. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to a lightweight composition of matter suitable for use as thermal insulating or acoustical material.
- Author
- Harold T. Coss
- Published by
- US Patent Office
- Series
- US Patent No. 2,085,793
- Date
- July 6, 1937
- Library no.
- ACL Doc 22864 · asbestosclaims.law/library/22864
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 353 KB
Where it was listed
- Asbestos, September 1937, in its patents department (the year's issues)
Cite this document
Harold T. Coss. “Lightweight Material (US Patent 2,085,793, 1937).” July 6, 1937. US Patent No. 2,085,793. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22864. https://asbestosclaims.law/library/22864.
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