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Ralph David Dale received US Patent No. 3,461,191 on August 12, 1969, filed September 17, 1965. It was assigned to Protex Corp Ltd.
The patent's description opens:
My invention relates to porous and elastically flexible insulating bodies consisting substantially of inorganic fiber material and to methods of producing such bodies.
- Author
- Ralph David Dale
- Published by
- US Patent Office
- Series
- US Patent No. 3,461,191
- Date
- August 12, 1969
- Library no.
- ACL Doc 22222 · asbestosclaims.law/library/22222
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, October 1969, in its patents department (the year's issues)
Cited on this site
Cite this document
Ralph David Dale. “Elastic insulating bodies of inorganic fiber material and method of producing such bodies (US Patent 3,461,191, 1969).” August 12, 1969. US Patent No. 3,461,191. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22222. https://asbestosclaims.law/library/22222.
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