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Torgny Albin Eklund and Carl Gosta Lofveberg received US Patent No. 1,392,127 on September 27, 1921, filed March 11, 1920.
The patent's description opens (from the scanned text):
The present invention relates to a method of producingof such marl a mass or material for insulating heating and refrigerating plants and installations, and from which mass various building materials may be produced, such as bricks, slabs, boards, and the like.
- Author
- Torgny Albin Eklund; Carl Gosta Lofveberg
- Published by
- US Patent Office
- Series
- US Patent No. 1,392,127
- Date
- September 27, 1921
- Library no.
- ACL Doc 22801 · asbestosclaims.law/library/22801
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 189 KB
Where it was listed
- Asbestos, November 1921, in its patents department (the year's issues)
Cite this document
Torgny Albin Eklund, Carl Gosta Lofveberg. “Insulating and building material consisting of a mixture of marl and cellulosic fibre (US Patent 1,392,127, 1921).” September 27, 1921. US Patent No. 1,392,127. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22801. https://asbestosclaims.law/library/22801.
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