Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232857 | Arc fault circuit breaker | Henry Hall Mason, Jr., Raymond K. Seymour, Frederic W. Glabau, Douglas B. Tilghman, Michael C. Guerrette | 2001-05-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232857 | Arc fault circuit breaker | Henry Hall Mason, Jr., Raymond K. Seymour, Frederic W. Glabau, Douglas B. Tilghman, Michael C. Guerrette | 2001-05-15 |