Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882459 | Pressure sensitive switch having rugged construction and accurate trip pressure settings | Simon S. Smith, Jr., James B. Warren | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882459 | Pressure sensitive switch having rugged construction and accurate trip pressure settings | Simon S. Smith, Jr., James B. Warren | 1989-11-21 |