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Hardening Cellular or Fibrous Friction Elements (US Patent 1,766,932, 1930)

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Izador J. Novak received US Patent No. 1,766,932 on June 24, 1930, filed June 9, 1926.

The patent's description opens (from the scanned text):

This invention relates. to improvements in hardened cellular or fibrous friction elements and methods of producing same, and more especially friction elements with a base of woven or unwoven stock, in which the .bindin substance comprises an infusible phenollc condensation product and a medlfying substance.

Author
Izador J. Novak
Published by
US Patent Office
Series
US Patent No. 1,766,932
Date
June 24, 1930
Library no.
ACL Doc 22589 · asbestosclaims.law/library/22589
Rights
US government work, in the public domain.

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Where it was listed

Cite this document

Izador J. Novak. “Hardening Cellular or Fibrous Friction Elements (US Patent 1,766,932, 1930).” June 24, 1930. US Patent No. 1,766,932. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22589. https://asbestosclaims.law/library/22589.

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