Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10916386 | Handle assembly with defeater and related methods | — | 2021-02-09 |
| 9859069 | Handle assembly with defeater and related methods | — | 2018-01-02 |
| 9657498 | Elongate shaft for use with handle assembly | Jeffrey R. Annis, Brian G. Staeden | 2017-05-23 |
| 9303432 | Handle with operable barriers and related locking methods | — | 2016-04-05 |
| 6987235 | Redundant switch having torsional compliance and arc-absorbant thermal mass | Jeffrey R. Annis, Roy A. Rice | 2006-01-17 |
| 6686672 | Modular emergency stop relay system | Paul C. Brown, Kevin Zomchek | 2004-02-03 |
| 6388563 | Modular relay with network communications | Paul C. Brown, Kevin Zomchek | 2002-05-14 |
| 6301091 | Relay configuration | Kevin Zomchek, Paul C. Brown | 2001-10-09 |
| 6215204 | Emergency stop system employing modular relays | Paul C. Brown, Kevin Zomchek | 2001-04-10 |
| 5744766 | Slide or reciprocating switch with s-shaped bridging-or spanner contact | Frank J. Graninger, Roger E. Karweik | 1998-04-28 |
| 5401925 | Electrical switch with removable operator | — | 1995-03-28 |