Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887643 | Pilot actuated spool valve | Jerry B. Tomlin | 1989-12-19 |
| 4823827 | Float system for accumulator | — | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887643 | Pilot actuated spool valve | Jerry B. Tomlin | 1989-12-19 |
| 4823827 | Float system for accumulator | — | 1989-04-25 |