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Frank J. Eisenhardt received US Patent No. 1,686,903 on October 9, 1928, filed September 11, 1926.
The patent's description opens (from the scanned text):
The invention relates generally to the. production of a sheet or strip of composite material which may have its greatest tensile strength along one dimension of the sheet or strip, usually lengthwise thereof.
- Author
- Frank J. Eisenhardt
- Published by
- US Patent Office
- Series
- US Patent No. 1,686,903
- Date
- October 9, 1928
- Library no.
- ACL Doc 21894 · asbestosclaims.law/library/21894
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 521 KB
Where it was listed
- Asbestos, December 1928, in its patents department (the year's issues)
Cite this document
Frank J. Eisenhardt. “Brake Lining (US Patent 1,686,903, 1928).” October 9, 1928. US Patent No. 1,686,903. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21894. https://asbestosclaims.law/library/21894.
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