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George Smolak received US Patent No. 2,407,520 on September 10, 1946, filed December 16, 1943. It was assigned to Johns Manville.
- Author
- George Smolak
- Published by
- US Patent Office
- Series
- US Patent No. 2,407,520
- Date
- September 10, 1946
- Library no.
- ACL Doc 22951 · asbestosclaims.law/library/22951
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, November 1946, in its patents department (the year's issues)
Cited on this site
Cite this document
George Smolak. “Manufacture of Dielectric Shapes (US Patent 2,407,520, 1946).” September 10, 1946. US Patent No. 2,407,520. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22951. https://asbestosclaims.law/library/22951.
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