Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836396 | World wide web enabled and digital rating plug | Michael S. Tignor, Patrick Salas, Michael Bradley, David Fletcher | 2004-12-28 |
| 6804101 | Digital rating plug for electronic trip unit in circuit breakers | Michael S. Tignor, Patrick Salas, Michael Bradley | 2004-10-12 |
| 6731483 | Circuit breaker with single test button mechanism | Henry Hall Mason, Jr., Cecil Rivers, Jr. | 2004-05-04 |
| 6611411 | Trip signal verifying method and apparatus | Michael S. Tignor, Michael Bradley | 2003-08-26 |
| 6538862 | Circuit breaker with a single test button mechanism | Henry Hall Mason, Jr., Cecil Rivers, Jr. | 2003-03-25 |
| 5493279 | Electronic combination lock with covert entry detection feature and method of covert entry detection | Gerald L. Dawson, Thomas E. Cassada, Michael J. Kelly | 1996-02-20 |
| 5410301 | Status monitoring system for an electronic lock | Gerald L. Dawson | 1995-04-25 |
| 5277272 | Manhole ladder | Joseph H. Montgomery | 1994-01-11 |
| 4365780 | Removable insert for forming holes in concrete and the like | — | 1982-12-28 |