Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310469 | Biosensor with a membrane containing biologically active material | David D. Cunningham, Susan B. Brontman, R. Hayes Helgren, Timothy P. Henning, Kenneth S. Johnson +3 more | 1994-05-10 |
| 4889612 | Ion-selective electrode having a non-metal sensing element | Scott C. Messner, Thomas G. Schapira | 1989-12-26 |
| 4772377 | Membrane anchor for ion-selective electrodes | Thomas G. Schapira | 1988-09-20 |