Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419831 | Method and apparatus for determination of water and for normal phase liquid chromatography | Jeffrey Robert Larson, Mark W. Beach, Mark Lindsay Dittenhafer, Steven R. Erskine, Joseph J. Kiefer | 2008-09-02 |
| 6790669 | Method for chemical analysis of biological material | Curtis D. Pfeiffer, Thomas L. Peters, Philip J. Savickas, David R. Albers, Steven J. Gluck +2 more | 2004-09-14 |
| 5433861 | Permanent deformation and use of sulfonated halopolymer articles | Steven R. Erskine | 1995-07-18 |
| 4837161 | Method for reagent addition to a flowing liquid carrier stream | Timothy S. Stevens, Daniel J. Swart, William C. Harris, Deborah E. Diedering, Lawrence W. Nicholson +1 more | 1989-06-06 |