Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858461 | Permeation cell gas detector | Shelton Steinle, John P. Sturtz, Yogeshwar Dayal | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858461 | Permeation cell gas detector | Shelton Steinle, John P. Sturtz, Yogeshwar Dayal | 1989-08-22 |