Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332927 | Power supply system for a telecommunication system | Steven J. Paul, Mark L. Schultz, Kevin R. Mengelt, Robert Alexander Colburn | 1994-07-26 |
| 5198698 | Auxiliary power supply system for providing DC power on demand | Steven J. Paul, Mark L. Schultz, Kevin R. Mengelt, Robert Alexander Colburn | 1993-03-30 |
| 4441480 | Ignition indicator for gas grills | Mark A. Rickman | 1984-04-10 |
| 4288210 | Gas collector/igniter for grills | Herbert F. Jugl | 1981-09-08 |
| 4266930 | Gas collector/spark igniter for gas burners | Herbert F. Jugl | 1981-05-12 |