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Harry Stehmann received US Patent No. 1,581,522 on April 20, 1926, filed August 30, 1921.
- Author
- Harry Stehmann
- Published by
- US Patent Office
- Series
- US Patent No. 1,581,522
- Date
- April 20, 1926
- Library no.
- ACL Doc 22191 · asbestosclaims.law/library/22191
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, June 1926, in its patents department (the year's issues)
Cite this document
Harry Stehmann. “Device for burning cement, magnesite, lime, etc (US Patent 1,581,522, 1926).” April 20, 1926. US Patent No. 1,581,522. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22191. https://asbestosclaims.law/library/22191.
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