Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028528 | Analytical element for theophylline determination using buffer in a subbing zone | Gary E. Norton | 1991-07-02 |
| 4806470 | Analytical element and method for theophylline determination having increased alkaline phosphatase isoenzyme | Gary E. Norton | 1989-02-21 |
| 4782017 | Analytical element and method for determination of theophylline by enzyme inhibition | Gary E. Norton | 1988-11-01 |
| 4670381 | Heterogeneous immunoassay utilizing horizontal separation in an analytical element | Karl J. Sanford, Glen M. Dappen, Allen L. Thunberg, Michael W. Sundberg, Susan J. Danielson | 1987-06-02 |