Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7522069 | Vehicle trip logger | Matthew Tunnell, Vicki Golden-Roberts | 2009-04-21 |
| 5159335 | Switched capacitance automatic meter reading device | — | 1992-10-27 |
| 5136286 | Switched capacitance meter reading device using variable width electrodes | — | 1992-08-04 |
| 5030950 | Switched capacitance meter reading device | — | 1991-07-09 |