Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691896 | Field based process control system with auto-tuning | Hehong Zou, Kale P. Hedstrom, Coy L. Hays | 1997-11-25 |
| 5642301 | Transmitter with improved compensation | Scott E. Brigham, Gary A. Lenz | 1997-06-24 |