Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666949 | Exposure indicator with continuous alarm signal indicating multiple conditions | Mark K. Debe, Edward E. Parsonage, Richard J. Poirier, Gregory Yuschak | 1997-09-16 |
| 5659296 | Exposure indicating apparatus | Mark K. Debe, Gregory Yuschak, Edward E. Parsonage, Richard J. Poirier | 1997-08-19 |