Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200325 | Self-indicating analysis employing stoichiometric chemical subtraction | Joel M. Blatt, Steven C. Charlton, Bert Walter | 1993-04-06 |
| 4975367 | Catalytic test composition intended to produce a range of colors | James P. Albarella, Steven C. Charlton, James W. Reinsch | 1990-12-04 |
| 4898813 | Catalytic test composition intended to produce a range of colors | James P. Albarella, Steven C. Charlton, James W. Reinsch | 1990-02-06 |
| 4427770 | High glucose-determining analytical element | Shuenn-tzong Chen, Mark Sherwood | 1984-01-24 |