Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870542 | Power distribution panelboard | John E. Swedowski, Robert J. Clarey, Allan E. Grams, Frank Navratil | 1989-09-26 |
| 4744003 | Power distribution panelboard | John E. Swedowski, Robert J. Clarey, Allan E. Grams, Frank Navratil | 1988-05-10 |
| 4472761 | Segmented electrical panelboard for industrial frame and residential frame circuit breakers which accepts residential frame circuit breakers at any segment | George Greger | 1984-09-18 |
| 4358815 | Panelboard for bolt-in and plug-in circuit breakers | Tustin C. Reetz | 1982-11-09 |