Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933688 | Fast AC voltage detector | Eric O. Varland, Karl James Hamilton | 2015-01-13 |
| 6439523 | Universal mounting system for a fiber optic management center | Michael T. Vavrik | 2002-08-27 |
| 6362422 | Enclosure for use in fiber optic management systems | Michael T. Vavrik | 2002-03-26 |
| 5702802 | Permanent xerographic toner-receptive index divider | James P. Rettker, William Edward Peterson, John Howard Lee | 1997-12-30 |
| 5407234 | Permanent xerographic toner-receptive index divider | James P. Rettker, William Edward Peterson, John Howard Lee | 1995-04-18 |
| 4528056 | Curl free reinforced paper sheet technique | Stuart B. D. Hunt, Thomas L. Harrison | 1985-07-09 |