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Harold S. Ashenhurst received US Patent No. 1,654,522 on January 3, 1928, filed September 10, 1924. It was assigned to Insulex Corp.
The patent's description opens (from the scanned text):
My invention relates to a process for insulating and fireproofing the walls of buildings, and has for one ofits objects the provision of a new and improved process by which the insulation is prepared in the field, that is, at 'a point adjacent to the walls to be insulated.
- Author
- Harold S. Ashenhurst
- Published by
- US Patent Office
- Series
- US Patent No. 1,654,522
- Date
- January 3, 1928
- Library no.
- ACL Doc 22748 · asbestosclaims.law/library/22748
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 457 KB
Where it was listed
- Asbestos, March 1928, in its patents department (the year's issues)
Cite this document
Harold S. Ashenhurst. “Insulating Buildings (US Patent 1,654,522, 1928).” January 3, 1928. US Patent No. 1,654,522. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22748. https://asbestosclaims.law/library/22748.
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