Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867095 | Differential pressure indicator | Keith D. Leady, Wayne L. Conner, Albert F. Cella | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867095 | Differential pressure indicator | Keith D. Leady, Wayne L. Conner, Albert F. Cella | 1989-09-19 |