Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481756 | Coupling assembly | John C. Field, John C. Stemmler, Christopher E. Schadewald, Gregory A. Haunhorst | 2002-11-19 |
| 6425571 | Valve and method for forming valve | Christopher E. Schadewald, Ryan Williams | 2002-07-30 |
| 6382678 | Coupling assembly | John C. Field, John C. Stemmler, Christopher E. Schadewald, Gregory A. Haunhorst | 2002-05-07 |