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Clements Batcheller received US Patent No. 2,140,195 on December 13, 1938, filed March 16, 1934.
The patent's description opens (from the scanned text):
My invention relates to light, porous products which are molded or otherwise formed from fibrous materials and which are especially adapted for thermal insulating purposes and for the absorption and dissipation of sound.
- Author
- Clements Batcheller
- Published by
- US Patent Office
- Series
- US Patent No. 2,140,195
- Date
- December 13, 1938
- Library no.
- ACL Doc 22746 · asbestosclaims.law/library/22746
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 364 KB
Where it was listed
- Asbestos, March 1939, in its patents department (the year's issues)
Cite this document
Clements Batcheller. “Insulating Board (US Patent 2,140,195, 1938).” December 13, 1938. US Patent No. 2,140,195. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22746. https://asbestosclaims.law/library/22746.
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