Jim is a registered professional engineer with a Bachelor of Science degree in Electrical Engineering and a Master of Science degree from Marquette University. He has been designing microcontroller circuits since 1977. Jim has provided expert opinions for patent infringement lawsuits. His leisure interests include water sports, downhill skiing and the construction of a "home-built" aircraft.
| Number | Patent Title |
| #4,129,855 | Animal Identification System |
| #4,215,410 | Solar Tracker |
| #4,247,758 | Animal Identification and Estrous Detection System |
| #4,455,610 | Self-contained Estrous Detection Tag |
| #5,152,252 | Water Treatment Control System for a Boiler |
| #5,294,916 | Water Treatment Controller for an Evaporative Condenser |
| #5,446,682 | System for Calibrating a Line Isolation Monitor |
| #5,448,491 | Monitor for an Ungrounded System |
| #5,450,328 | System for Measuring Line to Ground Impedance |
| #6,546,344 | Magnetic Anomaly Sensor System |
| #7,040,566 | Dispenser with Material-Recognition Apparatus and Material-Recognition Method |
| #7,084,592 | Method and Apparatus for Controlling a DC Motor by Counting Current Pulses |
| #7,296,765 | Automatic Dispensers |