Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9283658 | Self-centering clamp | Melvyn James Marple | 2016-03-15 |
| 7992473 | Pipe cutting apparatus and method of using the same | Melvyn James Marple | 2011-08-09 |
| 6534991 | Connection tester for an electronic trip unit | Michael R. Koller | 2003-03-18 |
| 6429659 | Connection tester for an electronic trip unit | Michael R. Koller | 2002-08-06 |
| 6346869 | Rating plug for circuit breakers | Aaron Soucy | 2002-02-12 |
| 6252365 | Breaker/starter with auto-configurable trip unit | Robert A. Morris, Charles Pitzen, Michael H. Thomas | 2001-06-26 |
| 6078489 | Method for performing instantaneous protection in a trip unit | Alan J. Messerli, Michael R. Koller | 2000-06-20 |