Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833564 | Current sensing relay circuit with adjustable sensitivity and tracking test circuit | William E. May, Jerry M. Green | 1989-05-23 |
| 4631625 | Microprocessor controlled circuit breaker trip unit | James O. Alexander, William A. King, William E. May | 1986-12-23 |