Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8458871 | Secondary positioning device for workpiece machining | Damiano A. Messina, Zuozhang Li, Quan Wang | 2013-06-11 |
| 8061926 | Crash barrier beam | Leslie J. Wall, Peter John Wilkinson, John L. Addy, Mark G. Reynolds | 2011-11-22 |
| D574510 | Safety barrier | Leslie J. Wall, Peter John Wilkinson, John L. Addy, Mark G. Reynolds | 2008-08-05 |
| D574511 | Safety barrier | Leslie J. Wall, Peter John Wilkinson, John L. Addy, Mark G. Reynolds | 2008-08-05 |