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James E. Ferguson received US Patent No. 2,522,936 on September 19, 1950, filed May 17, 1948.
The patent's description opens (from the scanned text):
This invention relates to insulating, fire and sound proofing blocks and to the method and apparatus for the manufacture of the same.
- Author
- James E. Ferguson
- Published by
- US Patent Office
- Series
- US Patent No. 2,522,936
- Date
- September 19, 1950
- Library no.
- ACL Doc 21701 · asbestosclaims.law/library/21701
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 247 KB
Where it was listed
- Asbestos, December 1950, in its patents department (the year's issues)
Cite this document
James E. Ferguson. “Apparatus for fluffing asbestos (US Patent 2,522,936, 1950).” September 19, 1950. US Patent No. 2,522,936. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21701. https://asbestosclaims.law/library/21701.
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