Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856122 | Anti-rotation device | — | 1989-08-15 |
| 4848403 | Flow-control valve | Patrick M. Pilolla | 1989-07-18 |
| 4832077 | Filtered stop | — | 1989-05-23 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856122 | Anti-rotation device | — | 1989-08-15 |
| 4848403 | Flow-control valve | Patrick M. Pilolla | 1989-07-18 |
| 4832077 | Filtered stop | — | 1989-05-23 |