Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9826828 | Cabinet assembly system utilizing cooperating grooved components | David E. W. Vaughan | 2017-11-28 |
| 9206964 | Convertible lighting fixture for multiple light sources | Joe R. Marsh, William E. Nagengast, James S. Mellinger, Judy Nagengast | 2015-12-08 |
| 8950907 | Convertible lighting fixture for multiple light sources | William E. Nagengast, James S. Mellinger, Judy Nagengast | 2015-02-10 |
| 7229187 | Compact illumination source with novel actuator | Keith Rosiello | 2007-06-12 |
| D501055 | Flashlight | — | 2005-01-18 |
| D495442 | Flashlight | — | 2004-08-31 |
| 5592360 | Compact motor control unit | Jayne G. Beck, Mark E. Bortner, Larry W. Eads, Felix Galvan, Daniel R. Mead +3 more | 1997-01-07 |