Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700567 | Self-powered input devices for circuit control devices | Kenneth M. Twain | 2004-03-02 |
| 6670952 | Circuit control devices utilizing electronic display screen light | Kenneth M. Twain | 2003-12-30 |
| 6642919 | Integrated electrical controls and graphics display screens | Kenneth M. Twain | 2003-11-04 |
| 6606081 | Moveable magnetic devices for electronic graphic displays | Kenneth M. Twain | 2003-08-12 |
| 6441806 | Operator/circuit interface with integrated display screen | — | 2002-08-27 |
| 6345028 | Method for direct recording and playback of multiple data tracks and signals | — | 2002-02-05 |
| 6326956 | Circuit control devices utilizing electronic display screen light | Kenneth M. Twain | 2001-12-04 |
| 6275217 | Operator/circuit interface with integrated display screen | — | 2001-08-14 |
| 5982355 | Multiple purpose controls for electrical systems | Kenneth M. Twain | 1999-11-09 |
| 5977955 | Operator/circuit interface with integrated display screen | — | 1999-11-02 |
| 5936613 | Rotary circuit control devices with changeable graphics | Kenneth M. Twain | 1999-08-10 |
| 5867149 | Switch key image display and operator/circuit interface | — | 1999-02-02 |
| 5841428 | Rotary circuit control devices with changeable graphics | Kenneth M. Twain | 1998-11-24 |
| 5805146 | Integrated display screen and slidable control for electrical circuits | Kenneth M. Twain | 1998-09-08 |
| 5805145 | Circuit control panel displaying changeable graphics | — | 1998-09-08 |
| 5786811 | Operator/circuit interface with integrated display screen | — | 1998-07-28 |
| 5777603 | Flat panel display with optical signal transparent zone | — | 1998-07-07 |
| 5774115 | Circuit control panel with variable graphics display | Kenneth M. Twain | 1998-06-30 |
| 5712661 | Operator/circuit interface with integrated display screen | — | 1998-01-27 |
| 5694155 | Flat panel display with edge contacting image area and method of manufacture thereof | Robert E. Stapleton | 1997-12-02 |
| 5572239 | Operator/circuit interface with integrated display screen | — | 1996-11-05 |