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Rudolph Edward Steck received US Patent No. 3,624,234 on November 30, 1971, filed May 1, 1969.
The patent's abstract:
Essentially inorganic friction material comprising an asbestos matrix impregnated with a binder comprising principally lithium polysilicate and a minor amount of sodium methyl siliconate to enhance abrasion resistance.
- Author
- Rudolph Edward Steck
- Published by
- US Patent Office
- Series
- US Patent No. 3,624,234
- Date
- November 30, 1971
- Library no.
- ACL Doc 22477 · asbestosclaims.law/library/22477
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, May 1972, in its patents department (the year's issues)
Cited on this site
Cite this document
Rudolph Edward Steck. “Friction material (US Patent 3,624,234, 1971).” November 30, 1971. US Patent No. 3,624,234. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22477. https://asbestosclaims.law/library/22477.
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