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Frictional Material (US Patent 1,898,025, 1933)

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Rudolf L. R. Wild received US Patent No. 1,898,025 on February 21, 1933, filed February 24, 1930. It was assigned to Union Asbestos and Rubber Co.

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

The present invention relates to friction materials, and is particularly concerned with materials adapted to be used for brake linings, clutch facings and the like.

Author
Rudolf L. R. Wild
Published by
US Patent Office
Series
US Patent No. 1,898,025
Date
February 21, 1933
Library no.
ACL Doc 22486 · asbestosclaims.law/library/22486
Rights
US government work, in the public domain.

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Rudolf L. R. Wild. “Frictional Material (US Patent 1,898,025, 1933).” February 21, 1933. US Patent No. 1,898,025. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22486. https://asbestosclaims.law/library/22486.

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