Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371986 | Pushbutton with replaceable mode cam | Elsa J. Varland, Darrell S. Filtz, Jie Ning | 2008-05-13 |
| 7342194 | Dual function reset operator for an electrical device | Roger E. Karweik | 2008-03-11 |
| 6376785 | Removable latch assembly for an electrical switch | — | 2002-04-23 |
| 6198058 | Switch contact mechanism | Richard M. Green | 2001-03-06 |
| 5744766 | Slide or reciprocating switch with s-shaped bridging-or spanner contact | Homer S. Sambar, Roger E. Karweik | 1998-04-28 |
| 5040995 | Adapter card for multiterminal panel controls | Dennis L. Schmidt | 1991-08-20 |
| 4445013 | Momentary-maintained lever operated pushbutton | Gilbert A. Reichert | 1984-04-24 |
| 4256021 | Pneumatic timer with eccentrically disposed valve needle | — | 1981-03-17 |
| 4250477 | Mechanical latch apparatus | Robert J. Frey | 1981-02-10 |