Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322700 | Electrical relay apparatus | Harold E. McCullough | 1982-03-30 |
| 4260972 | Electromechanical relay apparatus | Harold E. McCullough | 1981-04-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322700 | Electrical relay apparatus | Harold E. McCullough | 1982-03-30 |
| 4260972 | Electromechanical relay apparatus | Harold E. McCullough | 1981-04-07 |