Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240778 | Liquid level point switch sensor | Thomas M. Nickolin, Bryan H. McQuitty, William E. Atkinson, J. Jacob Noble | 2001-06-05 |
| 6138508 | Digital liquid level sensing apparatus | Thomas M. Nickolin | 2000-10-31 |
| 6125696 | Digital liquid level sensing apparatus | Thomas M. Nickolin, Ted W. Lewis | 2000-10-03 |
| 6018335 | Programmable keyboard and method therefor | Raymond Onley | 2000-01-25 |
| 5613399 | Method for liquid level detection | Thomas M. Nickolin | 1997-03-25 |
| 5406843 | Digital liquid level sensing apparatus | Thomas M. Nickolin | 1995-04-18 |