Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8729396 | Full composite insulator for electrical cutout | Chao Zhang, Alan P. Yerges | 2014-05-20 |
| 5936506 | Delay mechanism for retarding relative movement between two members | Stephen P. Johnson, John Lapp | 1999-08-10 |
| 5805046 | Current responsive latching apparatus for disconnecting and isolating an electrical device | Stephen P. Johnson, John Lapp | 1998-09-08 |
| 5760673 | Current limiting fuse and dropout fuseholder | Stephen P. Johnson, John Lapp | 1998-06-02 |
| 5583729 | Terminal bushing having integral overvoltage and overcurrent protection | Gary L. Goedde, John Lapp | 1996-12-10 |
| 5566423 | Delay mechanism for retarding relative movement between two members | Stephen P. Johnson, John Lapp | 1996-10-22 |
| 5559488 | Current limiting fuse having compact structure | Stephen P. Johnson, John Lapp | 1996-09-24 |
| 5485136 | Load break disconnecting device with solid arc suppression means | Stephen P. Johnson, John Lapp | 1996-01-16 |
| 5463366 | Current limiting fuse and dropout fuseholder | Stephen P. Johnson, John Lapp | 1995-10-31 |
| 5440287 | Current responsive latching apparatus for disconnecting and isolating an electrical device | Stephen P. Johnson, John Lapp | 1995-08-08 |
| 5274349 | Current limiting fuse and dropout fuseholder for interchangeable cutout mounting | Stephen P. Johnson, John Lapp | 1993-12-28 |
| 5119060 | Dropout expulsion fuse | Richard J. Bzdak, Stephen P. Johnson | 1992-06-02 |
| 4948828 | Asbestos free material for gassing current limiting fuses | Stephen P. Johnson | 1990-08-14 |
| 4885561 | Transformer overload and fault protection apparatus | Edward F. Veverka | 1989-12-05 |
| 4388603 | Current limiting fuse | Theodore O. Sokoly | 1983-06-14 |