Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661354 | Potentiometer with embedded signal circuitry | David B. Johnson, James A. Elzey, Timothy A. Tabor | 2003-12-09 |
| 6462677 | Encoder with embedded signal circuitry | David B. Johnson, James A. Elzey, Timothy A. Tabor | 2002-10-08 |