ALEXANDRIA, Va., Aug. 25 -- United States Patent no. D1,145,223, issued on Aug. 25, was assigned to Radio Systems Corp. (Knoxville, Tenn.).
"Wireless animal training transmitter" was invented by Charles Joseph Ivins (Knoxville, Tenn.) and John Goodwin Spangler (Knoxville, Tenn.).
The patent was filed on Jan. 31, 2025, under Application No. D/988,320.
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