Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8713985 | Calibration and accuracy check system | Karl R. Wolf, Jr. | 2014-05-06 |
| 8418523 | Calibration and accuracy check system for a breath tester | Karl Wolf | 2013-04-16 |
| 8176766 | Liquid and solid trapping mouthpiece | Hector Ruiz, Ildefonso Gonzalez | 2012-05-15 |
| 7855081 | Methods of detecting RF interference in breath ethanol testing | M. Rankine Forrester, Gary Sibley, John R. Mitchell | 2010-12-21 |
| 7768257 | Systems and methods for determining the position of an electrical solenoid | — | 2010-08-03 |
| 5663886 | Machine tool graphical display device for displaying machine load relative to tool position | — | 1997-09-02 |
| 5479189 | 4 channel color display adapter and method for color correction | Jay A. Chesavage, Miles Kurland | 1995-12-26 |