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John Ferla received US Patent No. 2,374,087 on April 17, 1945, filed November 20, 1940.
- Author
- John Ferla
- Published by
- US Patent Office
- Series
- US Patent No. 2,374,087
- Date
- April 17, 1945
- Library no.
- ACL Doc 23357 · asbestosclaims.law/library/23357
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, July 1945, in its patents department (the year's issues)
Cite this document
John Ferla. “Pipes, Apparatus and Process for Making (US Patent 2,374,087, 1945).” April 17, 1945. US Patent No. 2,374,087. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23357. https://asbestosclaims.law/library/23357.
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