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William A. Blume received US Patent No. 1,992,601 on February 26, 1935, filed April 16, 1932. It was assigned to American Brakeblok Corp.
The patent's description opens (from the scanned text):
This invention relates to the method of making composition friction elements and its ob- 5 ject is to provide a novel friction element which is fiexible and tough, which is wear and heat resistant and which can be readily and easily prepared and formed to shapes for brakes, clutches and other mechanical devices wherein a braking or retarding eifect is required.
- Author
- William A. Blume
- Published by
- US Patent Office
- Series
- US Patent No. 1,992,601
- Date
- February 26, 1935
- Library no.
- ACL Doc 22408 · asbestosclaims.law/library/22408
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 225 KB
Where it was listed
- Asbestos, June 1935, in its patents department (the year's issues)
Cite this document
William A. Blume. “Friction Elements (US Patent 1,992,601, 1935).” February 26, 1935. US Patent No. 1,992,601. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22408. https://asbestosclaims.law/library/22408.
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