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Coating Process (US Patent 2,321,938, 1943)

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Robert G. Quinn received US Patent No. 2,321,938 on June 15, 1943, filed June 19, 1940. It was assigned to Johns Manville.

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

The invention relates to a process for coating a sheet product either in web or board form. r In the manufacture of board or sheet products, and especially such products as fibre board, it is desirable to coat the product on both surfaces simultaneously to more uniformly dry the surfaces and to minimize any tendency of the board to warp.

Author
Robert G. Quinn
Published by
US Patent Office
Series
US Patent No. 2,321,938
Date
June 15, 1943
Library no.
ACL Doc 22061 · asbestosclaims.law/library/22061
Rights
US government work, in the public domain.

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Where it was listed

Cite this document

Robert G. Quinn. “Coating Process (US Patent 2,321,938, 1943).” June 15, 1943. US Patent No. 2,321,938. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22061. https://asbestosclaims.law/library/22061.

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