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William R. Heineman received US Patent No. 2,259,134 on October 14, 1941, filed July 23, 1938. It was assigned to General Electric Co.
The patent's description opens (from the scanned text):
The present invention relates to electrical insulation material.
- Author
- William R. Heineman
- Published by
- US Patent Office
- Series
- US Patent No. 2,259,134
- Date
- October 14, 1941
- Library no.
- ACL Doc 22227 · asbestosclaims.law/library/22227
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 265 KB
Where it was listed
- Asbestos, January 1942, in its patents department (the year's issues)
Cite this document
William R. Heineman. “Electrical Insulating Material (US Patent 2,259,134, 1941).” October 14, 1941. US Patent No. 2,259,134. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22227. https://asbestosclaims.law/library/22227.
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