Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182986 | Assays for nucleic acid modifying enzymes | Shu-Ling Cheng | 2012-05-22 |
| 7452690 | Protease EFC cell surface fusion protein assay | Joseph Horecka | 2008-11-18 |
| 7256011 | Enzyme activation protease assay | Peter Fung, Joseph Horecka | 2007-08-14 |
| 5976857 | Cross-linked polypeptide fragments of .beta.-galactosidase | Michael Powell, Scott Eisenbeis, David Lingenfelter, Lutz F. Tietze | 1999-11-02 |
| 5919642 | Competitive binding assays having improved linearity | William A. Coty, Dean Jenkins | 1999-07-06 |
| 5763196 | Assays using cross-linked polypeptide fragments of .beta.-galactosidase | Michael Powell, David Lingenfelter, Scott Eisenbeis | 1998-06-09 |
| 5716778 | Concentrating immunochemical test device and method | Litai Weng, David Calderhead, Edwin F. Ullman | 1998-02-10 |
| 5573955 | Reducing tyramine interference in immunoassays for amphetamine and methamphetamine | Theresa Medlin | 1996-11-12 |
| 5514560 | Substrates for .beta.galactosidase | Wayne B. Manning, Glenda L. Choate | 1996-05-07 |
| 5444161 | Substrates for .beta.-galactosidase | Wayne B. Manning, Glenda L. Choate | 1995-08-22 |
| 5434052 | Complementation assay for drug screening | — | 1995-07-18 |
| 5244785 | Determination of high molecular weight analytes using a .beta.-galactosidase complementation assay | Rueyming Loor, Jeff Shindelman | 1993-09-14 |
| 5223393 | Detection of analytes having binding sites for at least two binding moieties | Reuyming Loor | 1993-06-29 |
| 5212081 | Stabilization of polypeptide fragments against proteolytic degradation | Bill Coty | 1993-05-18 |
| 5212064 | Solid phase non-separation enzyme complementation assay | Imo-Jean C. Ford, Patricia A. Porreca | 1993-05-18 |
| 5188938 | Enzyme quantitation wicking assay | Glenda L. Choate | 1993-02-23 |
| 5137808 | Immunoassay device | Edwin F. Ullman, Rohan Peries | 1992-08-11 |
| 5103021 | Acetaminophen analogs, antigens, and antibodies | — | 1992-04-07 |
| 5037735 | Visual discrimination qualitative enzyme complementation assay | Glenda L. Choate | 1991-08-06 |
| 5032503 | Liquid single reagent for air enzyme complementation assay | Stephen B. Friedman, David Kates | 1991-07-16 |
| 4975248 | Kit for obtaining a digoxin concentrate from a serum sample | Roberta D. Ernst, Anne J. Stone | 1990-12-04 |
| 4973549 | Quantitative diagnostic assay employing signal producing agent bound to support and measuring migration distance of detectable signal | Prithipal Singh | 1990-11-27 |
| 4956274 | Reagent stabilization in enzyme-donor and acceptor assay | Robert Dworschack, Phillip Ruprecht | 1990-09-11 |
| 4950612 | Peroxy acid pretreatment in vitamin B.sub.12 assay | Robert Dworschack | 1990-08-21 |
| 4879215 | Concentrating immunochemical test strip | Litai Weng, David Calderhead, Edwin F. Ullman | 1989-11-07 |