Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858937 | Pressure controller for a buffer fluid seal | Charles O. Etheridge | 1989-08-22 |
| 4295134 | Liquid flow detecting device | — | 1981-10-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858937 | Pressure controller for a buffer fluid seal | Charles O. Etheridge | 1989-08-22 |
| 4295134 | Liquid flow detecting device | — | 1981-10-13 |