Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232857 | Arc fault circuit breaker | Henry Hall Mason, Jr., Raymond K. Seymour, Douglas B. Tilghman, Joseph Desormeaux, Michael C. Guerrette | 2001-05-15 |
| 6104266 | Circuit breaker with trip indication arrangement | Douglas B. Tilghman, Zhiqun Zhang, Raymond K. Seymour, Kevin J. Fuhr, Joseph Criniti | 2000-08-15 |
| 5389906 | Cost-efficient industrial-rated molded case breaker | Roger N. Castonguay, David Arnold, Roger J. Morgan, Henry J. Tucholski, Thomas T. B. Reyes | 1995-02-14 |
| 5337031 | Cost-efficient industrial-rated molded case breaker | Roger N. Castonguay, David Arnold, Roger J. Morgan, Henry J. Tucholski, Thomas T. B. Reyes | 1994-08-09 |