JT

James P. Thomsen

KO Koss: 1 patents #28 of 48Top 60%
SI Shure Brothers Incorporated: 1 patents #19 of 38Top 50%
Overall (All Time): #2,372,256 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4302635 Headphone construction Wayno A. Jacobsen 1981-11-24
D255898 Phonograph stylus Ronald G. Thielmann 1980-07-15