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George W. Luhrmann received US Patent No. 2,517,903 on August 8, 1950, filed March 5, 1948.
The patent's description opens (from the scanned text):
This invention relates to new and useful improvements in apparatus for preparing fibrous material for discharge, together with a suitable binder, against a surface to which the material is to be adhesively attached for insulating or similar purposes.
- Author
- George W. Luhrmann
- Published by
- US Patent Office
- Series
- US Patent No. 2,517,903
- Date
- August 8, 1950
- Library no.
- ACL Doc 22903 · asbestosclaims.law/library/22903
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 541 KB
Where it was listed
- Asbestos, September 1950, in its patents department (the year's issues)
Cite this document
George W. Luhrmann. “Machine for preparing fibrous material for pneumatic conveyance and discharge (US Patent 2,517,903, 1950).” August 8, 1950. US Patent No. 2,517,903. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22903. https://asbestosclaims.law/library/22903.
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