Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5826790 | Temperature-sensitive shutoff valve | John C. Schadt | 1998-10-27 |
| 4913716 | Plunger change apparatus and method | — | 1990-04-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5826790 | Temperature-sensitive shutoff valve | John C. Schadt | 1998-10-27 |
| 4913716 | Plunger change apparatus and method | — | 1990-04-03 |