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James L. Kempthorne received US Patent No. 2,442,206 on May 25, 1948, filed June 30, 1945.
The patent's description opens (from the scanned text):
This invention relates to spraying devices such as are used, for example, in the spraying of asbestos and other fibrous and similar materials onto ceilings and other surfaces or objects.
- Author
- James L. Kempthorne
- Published by
- US Patent Office
- Series
- US Patent No. 2,442,206
- Date
- May 25, 1948
- Library no.
- ACL Doc 23702 · asbestosclaims.law/library/23702
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 615 KB
Where it was listed
- Asbestos, June 1948, in its patents department (the year's issues)
Cite this document
James L. Kempthorne. “Spraying Device for Fibrous Material (US Patent 2,442,206, 1948).” May 25, 1948. US Patent No. 2,442,206. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23702. https://asbestosclaims.law/library/23702.
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