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Oliver F. Mottweiler and Daniel C. Drill received US Patent No. 1,691,783 on November 13, 1928, filed November 25, 1927.
- Author
- Oliver F. Mottweiler; Daniel C. Drill
- Published by
- US Patent Office
- Series
- US Patent No. 1,691,783
- Date
- November 13, 1928
- Library no.
- ACL Doc 22787 · asbestosclaims.law/library/22787
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, January 1929, in its patents department (the year's issues)
Cite this document
Oliver F. Mottweiler, Daniel C. Drill. “Insulating Structure (US Patent 1,691,783, 1928).” November 13, 1928. US Patent No. 1,691,783. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22787. https://asbestosclaims.law/library/22787.
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