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Edmond Oscar Lanhoffer received US Patent No. 1,780,560 on November 4, 1930, filed August 2, 1928. It was assigned to Asbestos Panels Corp.
The patent's description opens (from the scanned text):
My invention relates to a 'process and ap-' paratus for reproducing by stamping.
- Author
- Edmond Oscar Lanhoffer
- Published by
- US Patent Office
- Series
- US Patent No. 1,780,560
- Date
- November 4, 1930
- Library no.
- ACL Doc 23411 · asbestosclaims.law/library/23411
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 568 KB
Where it was listed
- Asbestos, January 1931, in its patents department (the year's issues)
Cite this document
Edmond Oscar Lanhoffer. “Process and Apparatus for Reproducing by Stamping (US Patent 1,780,560, 1930).” November 4, 1930. US Patent No. 1,780,560. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23411. https://asbestosclaims.law/library/23411.
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