PERFORMANCE TUNING by PERFORMANCE TUNING CORPORATION (Track this)
Intl: (042) Computer, scientific & legal US: 100; 101 Filing date: 04-Jun-1998 Serial number: 75496586
TUNING STICK by KYOCERA AVX COMPONENTS CORPORATION (Track this)
Intl: (009) Electrical and scientific apparatus US: 021 Filing date: 06-Mar-1989 Serial number: 73784990