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John Allen Heany received US Patent No. 1,451,824 on April 17, 1923, filed December 17, 1921.
The patent's description opens (from the scanned text):
This invention relates to an apparatus for making asbestos yarn.
- Author
- John Allen Heany
- Published by
- US Patent Office
- Series
- US Patent No. 1,451,824
- Date
- April 17, 1923
- Library no.
- ACL Doc 21704 · asbestosclaims.law/library/21704
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 237 KB
Where it was listed
- Asbestos, June 1923, in its patents department (the year's issues)
- Asbestos, August 1923, in its patents department (the year's issues)
Cite this document
John Allen Heany. “Apparatus for making Asbestos Yarn (US Patent 1,451,824, 1923).” April 17, 1923. US Patent No. 1,451,824. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21704. https://asbestosclaims.law/library/21704.
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