Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7220488 | Deflecting magnetic field shield | Gordon W. Wadle | 2007-05-22 |
| D415947 | Doorknob | — | 1999-11-02 |
| 5229825 | Magnetic brush laydown/pickup apparatus | Kevin E. Yousey, Dennis R. Kamp, Ronald T. Speziale, James R. Flick | 1993-07-20 |
| 5195009 | Current summing arrangement for ground fault detection | — | 1993-03-16 |
| 5136454 | Arrangement for providing ground fault protection | John P. Halferty | 1992-08-04 |
| 4947126 | Ground fault current rectification and measuring circuit | William A. King, Jerry M. Green | 1990-08-07 |
| 4833564 | Current sensing relay circuit with adjustable sensitivity and tracking test circuit | Von G. Pardue, Jerry M. Green | 1989-05-23 |
| 4801910 | Magnetic actuating mechanism | Curtis J. Ayers, Janerio N. Morgan | 1989-01-31 |
| 4680672 | Molded case circuit breaker with front accessible control panel | Rex J. McColloch, William A. King | 1987-07-14 |
| 4631625 | Microprocessor controlled circuit breaker trip unit | James O. Alexander, William A. King, Von G. Pardue | 1986-12-23 |
| 4630018 | Molded case circuit breaker current transformer with spiral bus | Ronald W. McKinney, James WELLS | 1986-12-16 |
| 4568899 | Ground fault accessory for a molded case circuit breaker | William R. Taylor, Peter Pang | 1986-02-04 |