Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9893460 | Underwater electrical contact mating system | James R. Windgassen, Harvey P. Hack | 2018-02-13 |
| 9771730 | Dumpster and portable toilet system | — | 2017-09-26 |
| 7966675 | Dumpster and portable toilet system | — | 2011-06-28 |