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William R. Gillies received US Patent No. 1,937,561 on December 5, 1933, filed August 22, 1932. It was assigned to Union Asbestos and Rubber Co.
The patent's description opens (from the scanned text):
The present invention relates to waterproof heat insulating tape and is particularly concerned with heat insulating tape of a type adapted to be spirally wrapped about a pipe or other. part intended to be insulated, such as the high temperature steam pipes of locomotives or boilers.
- Author
- William R. Gillies
- Published by
- US Patent Office
- Series
- US Patent No. 1,937,561
- Date
- December 5, 1933
- Library no.
- ACL Doc 23068 · asbestosclaims.law/library/23068
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 426 KB
Where it was listed
- Asbestos, February 1934, in its patents department (the year's issues)
Cite this document
William R. Gillies. “Method of Making Waterproof Heat Insulating Tape (US Patent 1,937,561, 1933).” December 5, 1933. US Patent No. 1,937,561. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23068. https://asbestosclaims.law/library/23068.
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