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Willard R. Seipt received US Patent No. 2,946,158 on July 26, 1960, filed June 7, 1954. It was assigned to Keasbey and Mattison Co.
The patent's description opens:
This invention relates to composite insulating and structural materials, and is particularly concerned with a hydrous calcium silicate-type building unit having both structural land insulating properties and comprising a dense and strong member with a light insulating member bonded integrally thereto. l't s a primary object of the invention to provide a building element, useful for roofing, siding and the like, which has the structural strength necessary for such purposes, and also provides effective thermal insulation.
- Author
- Willard R. Seipt
- Published by
- US Patent Office
- Series
- US Patent No. 2,946,158
- Date
- July 26, 1960
- Library no.
- ACL Doc 22098 · asbestosclaims.law/library/22098
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, February 1961, in its patents department (the year's issues)
Cited on this site
Cite this document
Willard R. Seipt. “Composite building unit (US Patent 2,946,158, 1960).” July 26, 1960. US Patent No. 2,946,158. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22098. https://asbestosclaims.law/library/22098.
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