Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359440 | Guard rail base and methods associated therewith | Brian T. Simmons, Richard B. Stoffels | 2025-07-15 |
| 11976468 | Guard rail base and methods associated therewith | Brian T. Simmons, Richard B. Stoffels | 2024-05-07 |
| 10456608 | Safety apparatus for arresting a fall of a worker | Stephen C. Johanneck, Richard B. Stoffels | 2019-10-29 |
| 10267783 | Submersible flow imager | Heidi M. Sosik | 2019-04-23 |
| 10259652 | Debris disposal chute | Christopher Scott Bisson | 2019-04-16 |
| 5437837 | Controlled atmosphere storage container | Max D. Liston, Todd I. Harrison | 1995-08-01 |
| 5355781 | Controlled atmosphere storage system | Max D. Liston, Sy J. Banaitis | 1994-10-18 |
| 5332547 | Controlled atmosphere storage container | Max D. Liston, Todd I. Harrison | 1994-07-26 |
| 5244363 | Low blow-by compressor | — | 1993-09-14 |