Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701115 | Field programmable module personalities | Hilario Costa, John P. Hewlin | 1997-12-23 |
| 5670937 | Line monitor for two wire data transmission | Hilario Costa | 1997-09-23 |
| 5644293 | Ground fault detection with location identification | Jan A. Braam, John P. Hewlin, Rick Wolf | 1997-07-01 |