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Charles F. Smith received US Patent No. 1,756,666 on April 29, 1930, filed March 10, 1927.
- Author
- Charles F. Smith
- Published by
- US Patent Office
- Series
- US Patent No. 1,756,666
- Date
- April 29, 1930
- Library no.
- ACL Doc 21946 · asbestosclaims.law/library/21946
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, June 1930, in its patents department (the year's issues)
Cite this document
Charles F. Smith. “Brake Testing Apparatus (US Patent 1,756,666, 1930).” April 29, 1930. US Patent No. 1,756,666. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21946. https://asbestosclaims.law/library/21946.
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