Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860784 | Non-rising stem valve assembly and method of replacing a permanent seal | Timothy G. Crater | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860784 | Non-rising stem valve assembly and method of replacing a permanent seal | Timothy G. Crater | 1989-08-29 |