Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883930 | Switch mechanism operating rod | — | 1989-11-28 |
| 4845324 | Interrupter operating mechanism | Nils V. Holmgren | 1989-07-04 |
| 4821143 | Switchgear enclosure with improved supporting frame and improved access door | Nils V. Holmgren, Hinhsomchay Phouybanhdyt | 1989-04-11 |