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Cecil R. Hubbard and Roy Pullman received US Patent No. 1,840,449 on January 12, 1932, filed August 13, 1930. It was assigned to Garlock Packing Co.
The patent's description opens (from the scanned text):
This invention relates to an improved packing ring especially adapted for use in packing rotary pumps for the water-cooling systems of automobiles, although the packing is not limited to that particular use but is ofmore or less general application.
- Author
- Cecil R. Hubbard; Roy Pullman
- Published by
- US Patent Office
- Series
- US Patent No. 1,840,449
- Date
- January 12, 1932
- Library no.
- ACL Doc 23288 · asbestosclaims.law/library/23288
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 281 KB
Where it was listed
- Asbestos, April 1932, in its patents department (the year's issues)
Cite this document
Cecil R. Hubbard, Roy Pullman. “Packing and Method of Making Same (US Patent 1,840,449, 1932).” January 12, 1932. US Patent No. 1,840,449. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23288. https://asbestosclaims.law/library/23288.
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