Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864848 | Leak detection system | — | 1989-09-12 |
| 4842108 | Power retract electric cord reel | Marvin L. Anderson | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864848 | Leak detection system | — | 1989-09-12 |
| 4842108 | Power retract electric cord reel | Marvin L. Anderson | 1989-06-27 |