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David J. Bonawit and Eugene R. Zeidler received US Patent No. 2,416,427 on February 25, 1947, filed June 24, 1944.
The patent's description opens (from the scanned text):
This invention relates to the manufacture of tractive surface devices, such as brakes and clutches.
- Author
- David J. Bonawit; Eugene R. Zeidler
- Published by
- US Patent Office
- Series
- US Patent No. 2,416,427
- Date
- February 25, 1947
- Library no.
- ACL Doc 23778 · asbestosclaims.law/library/23778
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 567 KB
Where it was listed
- Asbestos, April 1947, in its patents department (the year's issues)
Cite this document
David J. Bonawit, Eugene R. Zeidler. “Tractive Surface Devices (US Patent 2,416,427, 1947).” February 25, 1947. US Patent No. 2,416,427. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23778. https://asbestosclaims.law/library/23778.
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