Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976541 | Contact sensitive probes with indicators | David McGee, Walter Crompton | 2011-07-12 |
| 7662151 | Contact sensitive probes | Walter Crompton | 2010-02-16 |
| D299177 | Pair of trash can holder | — | 1988-12-27 |