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Walter M. Ericson and Edwin H. Wenzel received US Patent No. 2,200,713 on May 14, 1940, filed December 24, 1937.
The patent's description opens (from the scanned text):
This invention relates to a method of and an apparatus for building an insulating anket of insulation particles of mineral or (Wafer fibers or granules of the desired insula ion material in hollow spaces of walls, ceilings and the like of buildings and other structures requiring thermal or acoustical insulation.
- Author
- Walter M. Ericson; Edwin H. Wenzel
- Published by
- US Patent Office
- Series
- US Patent No. 2,200,713
- Date
- May 14, 1940
- Library no.
- ACL Doc 21961 · asbestosclaims.law/library/21961
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 478 KB
Where it was listed
- Asbestos, August 1940, in its patents department (the year's issues)
Cite this document
Walter M. Ericson, Edwin H. Wenzel. “Building (wall) Insulation (US Patent 2,200,713, 1940).” May 14, 1940. US Patent No. 2,200,713. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21961. https://asbestosclaims.law/library/21961.
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