Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7567013 | Vibration power generation | Liangju Lu, Swapan Chakraborty | 2009-07-28 |
| 7347099 | Pressure transducer with external heater | Wesley E. Sund, Christina A. Nord, Fred C. Sittler | 2008-03-25 |
| 6647794 | Absolute pressure sensor | Daniel S. Nelson, David J. Hillman | 2003-11-18 |
| 4184473 | Improved mobile home heater | Kendrick H. McIntire | 1980-01-22 |