Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446012 | Proximity detector for hard-to-detect materials | David C. Macke, Sr., Roger D. Chamberlain, Jon G. Metcalf | 2002-09-03 |
| 6362632 | Balanced charge pump capacitive material sensor | — | 2002-03-26 |