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Edgar S. Ross received US Patent No. 1,970,197 on August 14, 1934, filed November 26, 1929. It was assigned to Philip Carey Manufacturing Co.
The patent's description opens (from the scanned text):
My invention relates to asbestos cement shingles, sheathing and similar products.
- Author
- Edgar S. Ross
- Published by
- US Patent Office
- Series
- US Patent No. 1,970,197
- Date
- August 14, 1934
- Library no.
- ACL Doc 22074 · asbestosclaims.law/library/22074
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 227 KB
Where it was listed
- Asbestos, September 1934, in its patents department (the year's issues)
Cite this document
Edgar S. Ross. “Colored Asbestos Shingle (US Patent 1,970,197, 1934).” August 14, 1934. US Patent No. 1,970,197. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22074. https://asbestosclaims.law/library/22074.
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