Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818850 | Disconnect switch for switching capacitive currents | — | 2004-11-16 |
| 5483030 | Group operated circuit disconnect apparatus for overhead electric power lines | — | 1996-01-09 |
| 5250894 | Current sensing system having electronic compensation circuits for conditioning the outputs of current sensors | John Beard | 1993-10-05 |
| 4654540 | Group operated circuit disconnect apparatus for overhead electric power lines | — | 1987-03-31 |
| 4357505 | Power driven group operated circuit disconnect apparatus for overhead electric power line | — | 1982-11-02 |
| RE30784 | Group operated circuit disconnect apparatus for overhead electric power lines | — | 1981-10-27 |