Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255615 | Multiple contact switch | — | 2001-07-03 |
| 5982593 | Circuit interrupter with test actuator for ground fault and arc fault test mechanisms | Robert T. Elms | 1999-11-09 |
| 4654806 | Method and apparatus for monitoring transformers | Thomas D. Poyser, Randall N. Avery, John W. Bankoske, John D. Borst, Albert H. Maxwell, Jr. +6 more | 1987-03-31 |
| 4471309 | Vacuum detector | William J. Lange, John F. Perkins, Roy E. Voshall, Fred Bould | 1984-09-11 |
| 4426560 | Reduced pressure electrical switch | — | 1984-01-17 |
| 4319296 | Series connected oscillating transverse field interrupter and method | Francis A. Holmes, Joachim V. R. Heberlein, Joseph G. Gorman, Paul G. Slade | 1982-03-09 |
| 4276455 | Vacuum envelope for current limiter | Paul G. Slade | 1981-06-30 |
| 4267415 | Current limiter vacuum envelope | Francis A. Holmes, Joachim V. R. Heberlei | 1981-05-12 |
| 4250364 | Vacuum arc current limiter with oscillating transverse magnetic field and method | Francis A. Holmes, Joachim V. R. Heberlein, Joseph G. Gorman, Paul G. Slade | 1981-02-10 |
| 4215255 | Vacuum arc switching device with internal shielding | Joachim V. R. Heberlein, Paul G. Slade, Roy E. Voshall, Francis A. Holmes | 1980-07-29 |