Court of Appeals for the Seventh Circuit May 18, 1973, 71-1596, 71-1597 (Rex Chainbelt Inc. v. Borg-Warner Corporation, Rex Chainbelt Inc. v. Carman Industries, Inc.)
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United States · · · 18-05-1973
*483
HASTINGS, Senior Circuit Judge.
On October 5, 1965, George D. Dumbaugh. filed a patent application, Serial No. 493,197. Patent No. 3,251,457 issued to him on May 17, 1966.
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