Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883091 | Multi-port self-regulating proportional pressure control valve | Logan H. Mathis | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883091 | Multi-port self-regulating proportional pressure control valve | Logan H. Mathis | 1989-11-28 |