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Weldes Friedrich received US Patent No. 1,951,814 on March 20, 1934, filed August 13, 1930. It was assigned to Lawaczeck GmbH.
- Author
- Weldes Friedrich
- Published by
- US Patent Office
- Series
- US Patent No. 1,951,814
- Date
- March 20, 1934
- Library no.
- ACL Doc 22759 · asbestosclaims.law/library/22759
- Rights
- US government work, in the public domain.
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Where it was listed
- Asbestos, June 1934, in its patents department (the year's issues)
Cite this document
Weldes Friedrich. “Insulating Element for Electrolytic Cells (US Patent 1,951,814, 1934).” March 20, 1934. US Patent No. 1,951,814. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22759. https://asbestosclaims.law/library/22759.
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