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Elmer E. Switzer received US Patent No. 1,626,436 on April 26, 1927, filed January 26, 1926.
- Author
- Elmer E. Switzer
- Published by
- US Patent Office
- Series
- US Patent No. 1,626,436
- Date
- April 26, 1927
- Library no.
- ACL Doc 21758 · asbestosclaims.law/library/21758
- Rights
- US government work, in the public domain.
Read or download
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Where it was listed
- Asbestos, July 1927, in its patents department (the year's issues)
Cite this document
Elmer E. Switzer. “Asbestos Crown Type Packing (US Patent 1,626,436, 1927).” April 26, 1927. US Patent No. 1,626,436. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21758. https://asbestosclaims.law/library/21758.
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