Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377390 | Dilution nozzle assembly for hazardous gases | Michael Gautieri, Frank Wewers | 2025-08-05 |
| 12377391 | Dilution nozzle assembly for hazardous gases | Michael Gautieri, Frank Wewers | 2025-08-05 |
| 12274978 | Accumulator and dissipation assembly for capturing exigent vented volatile fluids | Frank Wewers, Michael Gautieri | 2025-04-15 |
| 8806916 | Photo-acoustic, multi-band, multi-cavity gas detection system | — | 2014-08-19 |
| 7535007 | Multiple chamber dual channel infrared gas detection system | Michael J. Freeman | 2009-05-19 |
| D463507 | Novelty device for emitting sounds | Larry D. Stewart, Joseph Stewart, Mrako A. Fenster, Yutaka Kazamaki, Jonathon Kemnitzer +2 more | 2002-09-24 |
| 6367497 | Control system for on-off valves resulting in proportional response | Allen Leon Maag, David Lavern Ross | 2002-04-09 |
| D446554 | Novelty device for emitting sounds | Larry D. Stewart, Lesley Longstaff | 2001-08-14 |
| D362638 | Receiver for cable and fault locator system | Mark D. Greer, Jan J. Stefaniak, Ronald B. Kemnitzer | 1995-09-26 |
| 5443260 | Virtual reality baseball training and amusement system | Larry D. Stewart, Jerome E. Simon, Mark D. Greer | 1995-08-22 |
| D348016 | Cable locater | Ronald B. Kemnitzer, Terri L. Erickson, Dana A. Thrutchley | 1994-06-21 |