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Howard Bidwell received US Patent No. 3,415,456 on December 10, 1968, filed October 22, 1965.
- Author
- Howard Bidwell
- Published by
- US Patent Office
- Series
- US Patent No. 3,415,456
- Date
- December 10, 1968
- Library no.
- ACL Doc 23176 · asbestosclaims.law/library/23176
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, January 1969, in its patents department (the year's issues)
Cite this document
Howard Bidwell. “Methods and apparatus for dry defibering of fibrous materials (US Patent 3,415,456, 1968).” December 10, 1968. US Patent No. 3,415,456. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23176. https://asbestosclaims.law/library/23176.
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