Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313713 | Electronic level with display scale and audible tone scale | Donald D. Kook | 1994-05-24 |
| 5259118 | Electronic capacitive level with display showing direction of rotation to achieve level/plumb | — | 1993-11-09 |
| 5083383 | Electronic capacitance level with automatic electrode selection | — | 1992-01-28 |