Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876424 | Barrier with a venting scheme for a circuit breaker | David A. Leone, W. Dale Robbins | 1989-10-24 |
| 4871889 | Arcing contact assembly for a circuit breaker | David A. Leone | 1989-10-03 |
| 4866225 | Insulated light weight metallic crossbar in polyphase circuit breaker assemblies for inhibiting arcing | David A. Leone | 1989-09-12 |