Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6259048 | Rotary contact assembly for high ampere-rated circuit breakers | Roger N. Castonguay, Randall Lee Greenberg, Dave Christensen | 2001-07-10 |
| 6242703 | Bell alarm with automatic reset for small frame air circuit breaker | Roger N. Castonguay | 2001-06-05 |
| D442146 | Molded case circuit breaker | Randy Greenberg, Roger N. Castonguay, Dave Christensen, Hassan Girish, Ranganna C. Dasari +2 more | 2001-05-15 |
| 6204743 | Dual connector strap for a rotary contact circuit breaker | Randy Greenberg, Dennis J. Doughty, Ranganna C. Dasari | 2001-03-20 |
| 6100481 | Circuit breaker operating handle torque compensation assembly | Roger N. Castonguay, James L. Rosen | 2000-08-08 |
| 6087610 | Closing springs release mechanism for industrial-rated circuit breaker | Roger N. Castonguay, James L. Rosen, Andre J. M'Sadoques | 2000-07-11 |
| 6084489 | Circuit breaker rotary contact assembly locking system | Roger N. Castonguay, Dave Christensen | 2000-07-04 |
| 6054661 | Circuit breaker bell alarm accessory with lockout function | Roger N. Castonguay | 2000-04-25 |
| 6037555 | Rotary contact circuit breaker venting arrangement including current transformer | Roger N. Castonguay, Dennis J. Doughty, Dave Christensen, James L. Rosen, Randall Lee Greenberg +3 more | 2000-03-14 |
| 5986225 | Circuit breaker bell alarm accessory with lock-out | Roger N. Castonguay | 1999-11-16 |
| 5981888 | Closing spring lock-out mechanism for an industrial rated circuit breaker | James L. Rosen | 1999-11-09 |
| 5981887 | Contact position indicator for an industrial-rated circuit breaker | Roger N. Castonguay, James L. Rosen, Andre J. M'Sadoques | 1999-11-09 |
| 5960941 | Circuit breaker bell alarm accessory with both automatic reset and lockout function | Roger N. Castonguay | 1999-10-05 |
| 5936535 | Circuit breaker bell alarm accessory | James L. Rosen | 1999-08-10 |
| 5923261 | Circuit breaker bell alarm accessory with automatic reset | Roger N. Castonguay | 1999-07-13 |
| 5905240 | Contact closing solenoid assembly for air circuit breakers | James L. Rosen | 1999-05-18 |
| 5883351 | Ratcheting mechanism for industrial-rated circuit breaker | Roger N. Castonguay, James L. Rosen, Andre J. M'Sadoques | 1999-03-16 |
| 5640294 | Automated circuit breaker support saddle assembly | Robert Joseph Caggiano, Thomas M. Palmer, Mark Lech, David A. Reid, Thomas M. McDonald +2 more | 1997-06-17 |
| 5272296 | Molded case circuit breaker variable actuator mechanism | Robert Markowski | 1993-12-21 |
| 5241289 | Exhaust arc gas manifold | Robert Markowski, James R. Pratt | 1993-08-31 |
| 5216576 | Panel board with adjustable frame and side rails | Christina A. Dilko, David A. Reid | 1993-06-01 |
| 5193666 | Handle extender for molded case circuit breaker actuator mechanism | Robert Markowski, Jerome Benedict Tankersley | 1993-03-16 |
| 5113312 | Electric power distribution panelboard-switchboard bus bar insulation shield | James R. Pratt, Robert Markowski, Denis A. Perzan, John A. Morby | 1992-05-12 |
| 5067043 | Electric power distribution panelboard-switchboard bus bar insulation shield | Robert Markowski, Denis A. Perzan, John A. Morby | 1991-11-19 |
| 4959514 | Fusible electric switch | John A. Morby, Andre J. M'Sadoques, Robert Markowski | 1990-09-25 |