Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864932 | Digital telephone switch | John H. Lee | 2011-01-04 |
| 7142414 | Signal management system | John T. M. Lee, Richard L. Martin, Brad Nikkari, Tasos Lambos, Troy Beggs | 2006-11-28 |
| 4788930 | Weigh bridge for variable inclination conveyor | Ralph D. Closs | 1988-12-06 |