Issued Patents All Time
Showing 26–29 of 29 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 |
| 6170026 | Mobile computing systems which automatically reconfigure to operate any devices attached to a docking module upon connection to the docking station | Takayuki Kimura, Kam Yuen Chan, Roger D. Chamberlain | 2001-01-02 |
| 6125642 | Oil level control system | G. Thomas Seener, Joseph H. Heffner, Roger D. Chamberlain, David C. Macke, Sr. | 2000-10-03 |