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Edward J. Buczkowski received US Patent No. 1,804,740 on May 12, 1931, filed February 5, 1930. It was assigned to Ambler Asbestos Shingle & Shea.
- Author
- Edward J. Buczkowski
- Published by
- US Patent Office
- Series
- US Patent No. 1,804,740
- Date
- May 12, 1931
- Library no.
- ACL Doc 23853 · asbestosclaims.law/library/23853
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, August 1931, in its patents department (the year's issues)
Cite this document
Edward J. Buczkowski. “Waterproof and Dielectric Asbestos Lumber (US Patent 1,804,740, 1931).” May 12, 1931. US Patent No. 1,804,740. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23853. https://asbestosclaims.law/library/23853.
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