Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886945 | Replaceable bushing and contact assembly for blade type air insulated switchgear | Edward L. West | 1989-12-12 |
| 4798922 | Spring actuated latch, load and trip mechanism for switchgear | — | 1989-01-17 |