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Armin Elmendorf received US Patent No. 1,615,801 on January 25, 1927, filed February 4, 1921.
The patent's description opens (from the scanned text):
My invention has for its object to produce a simple, strong and durable material particularly adapted for use in walls for refrigerators, refrigerator cars, or elsewhere where heat insulating properties are desirable.
- Author
- Armin Elmendorf
- Published by
- US Patent Office
- Series
- US Patent No. 1,615,801
- Date
- January 25, 1927
- Library no.
- ACL Doc 22606 · asbestosclaims.law/library/22606
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 139 KB
Where it was listed
- Asbestos, April 1927, in its patents department (the year's issues)
Cite this document
Armin Elmendorf. “Heat Insulating Material (US Patent 1,615,801, 1927).” January 25, 1927. US Patent No. 1,615,801. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22606. https://asbestosclaims.law/library/22606.
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