Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859305 | Electrochemical cell | David A. Stewart, Joseph D. Jolson, RaeAnn M. Auel, John F. Price | 1989-08-22 |
| 4797180 | Method for the detection of noxious gases | David A. Stewart, Joseph D. Jolson, RaeAnn M. Auel, John F. Price | 1989-01-10 |