Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986558 | Modular precharge circuit | William A. Crawford | 1999-11-16 |
| 5982610 | Multisided communication distribution cabinet having adjustable tie rod | William A. Crawford, Larry N. Cleveland | 1999-11-09 |
| 5901033 | Multisided communication distribution cabinet | William A. Crawford | 1999-05-04 |