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Edward A. Toohey received US Patent No. 2,022,750 on December 3, 1935, filed December 24, 1929. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
The present invention relates to an improved form of mineral wool adapted for use as a heatinsulating material and other structural purposes.
- Author
- Edward A. Toohey
- Published by
- US Patent Office
- Series
- US Patent No. 2,022,750
- Date
- December 3, 1935
- Library no.
- ACL Doc 23191 · asbestosclaims.law/library/23191
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 208 KB
Where it was listed
- Asbestos, March 1936, in its patents department (the year's issues)
Cite this document
Edward A. Toohey. “Moisture Resistant Mineral Wool (US Patent 2,022,750, 1935).” December 3, 1935. US Patent No. 2,022,750. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23191. https://asbestosclaims.law/library/23191.
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