Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699685 | Method, test media and chromogenic compounds for identifying and differentiating general coliforms and escherichia coli bacteria | Jonathan N. Roth | 2004-03-02 |
| 5393662 | Test media for identifying and differentiating general coliforms and Escherichia coli bacteria | Jonathan N. Roth | 1995-02-28 |
| 5358854 | Method, test media and chromogenic compounds for identifying and differentiating general coliforms and Escherichia coli bacteria | — | 1994-10-25 |
| 5210022 | Method test media and chromogenic compounds for identifying and differentiating general coliforms and Escherichia coli bacteria | Jonathan N. Roth | 1993-05-11 |
| 4246194 | Amino-hydroxy-alkyl sulfonic acid-zwitterions | — | 1981-01-20 |
| 4188271 | Alkaline zinc electroplating baths and additive compositions therefor | William E. Eckles, William J. Willis | 1980-02-12 |