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Robert Van Rolleghem received US Patent No. 2,046,494 on July 7, 1936, filed May 26, 1934.
The patent's description opens (from the scanned text):
The present invention relates to processes for improving the fire-proof, heat insulating, and other properties of products consisting chiefly of asbestos or other magnesian silicates.
- Author
- Robert Van Rolleghem
- Published by
- US Patent Office
- Series
- US Patent No. 2,046,494
- Date
- July 7, 1936
- Library no.
- ACL Doc 22638 · asbestosclaims.law/library/22638
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 362 KB
Where it was listed
- Asbestos, September 1936, in its patents department (the year's issues)
Cited on this site
Cite this document
Robert Van Rolleghem. “Heat Insulating and Fireproof Materials (US Patent 2,046,494, 1936).” July 7, 1936. US Patent No. 2,046,494. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22638. https://asbestosclaims.law/library/22638.
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