Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7509991 | Parking barrier with accident event logging and self-diagnostic control system | Martin Herman Weik, III, Paul M. Brown | 2009-03-31 |
| 7146345 | Parking barrier with accident event logging and self-diagnostic control system | Martin Herman Weik, III, Paul M. Brown | 2006-12-05 |
| 6337541 | Electroluminescent lighting device | Robert G. Dickie, T. Kirkwood Tierney | 2002-01-08 |
| 5818426 | Peripheral-computer interfacing system and method | T. Kirkwood Tierney | 1998-10-06 |