Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481756 | Coupling assembly | John C. Field, John C. Stemmler, Michael P. Wells, Gregory A. Haunhorst | 2002-11-19 |
| 6425571 | Valve and method for forming valve | Michael P. Wells, Ryan Williams | 2002-07-30 |
| 6382678 | Coupling assembly | John C. Field, John C. Stemmler, Michael P. Wells, Gregory A. Haunhorst | 2002-05-07 |
| 6041818 | Valve assembly | Michael P. Wells | 2000-03-28 |
| 5226682 | Coupling assembly | William C. Marrison, Edward C. Lewis, David S. Densel | 1993-07-13 |