Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7032418 | Vertical door locking system | Dale D. Martin, Ronald S. Slusarski, John Hayde, Shilin Yang, Herb Guck +5 more | 2006-04-25 |
| 6531938 | Remote operated circuit breaker module | Joseph R. Smith | 2003-03-11 |
| 6489724 | Dimmer switch with electronic control | Joseph R. Smith, Paul Michael Jarry | 2002-12-03 |
| 5741034 | Electromagnetic door holder apparatus | Hilario Costa | 1998-04-21 |