Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861420 | Method of making a semiconductor transducer | James W. Knutti, Henry V. Allen, Kurt E. Petersen | 1989-08-29 |
| 4680606 | Semiconductor transducer | James W. Knutti, Henry V. Allen, Kurt E. Petersen | 1987-07-14 |