Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753218 | Method for treating inflammation | Satwant K. Narula | 1998-05-19 |
| 5439916 | Polycyclic quinoline, naphthyridine and pyrazinopyridine derivatives | Ashit K. Ganguly, Richard J. Friary, John H. Schwerdt, Marvin Siegel, Edmund J. Sybertz | 1995-08-08 |
| 5328440 | Centrifuge bucket and method of use | Hung-Lung Chen, Hiemi K. Haines | 1994-07-12 |
| 5267615 | Sequential fluid injection process for oil recovery from a gas cap | Richard L. Christiansen | 1993-12-07 |
| 5245859 | Method of measuring capillary pressures | Richard L. Christiansen | 1993-09-21 |
| 5232049 | Sequentially flooding a subterranean hydrocarbon-bearing formation with a repeating cycle of immiscible displacement gases | Richard L. Christiansen | 1993-08-03 |
| 5126352 | Polycyclic quinoline, naphthyridine and pyrazinopyridine derivatives | Ashit K. Ganguly, Richard J. Friary, John H. Schwerdt, Marvin Siegel, Vera A. Seidl +1 more | 1992-06-30 |
| 5116840 | Polycyclic quinoline, naphthyridine and pyrazinopyridine derivatives | Ashit K. Ganguly, Richard J. Friary, John H. Schwerdt, Marvin Siegel, Vera A. Seidl +1 more | 1992-05-26 |
| 5045542 | Immune suppression method employing aryl-substituted naphthyridine and pyridopyrazine derivatives | Marvin Siegel | 1991-09-03 |
| 5037826 | 1-substituted naphthyridine and pyridopyrazine derivatives | David J. Blythin, Marvin Siegel | 1991-08-06 |
| 4988705 | Polycyclic quinoline, naphthyridine and pyrazinopyridine derivatives | Ashit K. Ganguly, Richard J. Friary, John H. Schwerdt, Marvin Siegel, Vera A. Seidl +1 more | 1991-01-29 |
| 4945095 | Method for suppressing the immune response | Marvin Siegel | 1990-07-31 |
| 4916131 | Naphthyridine derivatives and method for treating allergic reactions | David J. Blythin, Marvin Siegel | 1990-04-10 |
| 4882332 | Immune suppression method employing arly-substituted naphthyridine and pyridopyrazine derivatives | Marvin Siegel | 1989-11-21 |
| 4810708 | Polycyclic quinoline, naphthyridine and pyrazinopyridine derivatives | Ashit K. Ganguly, Richard J. Friary, John H. Schwerdt, Marvin Siegel, Vera A. Seidl +1 more | 1989-03-07 |
| 4801589 | Method for suppressing the immune response | Marvin Siegel | 1989-01-31 |
| 4775686 | Naphthyridine derivatives and method for treating allergic reactions | David J. Blythin, Marvin Siegel | 1988-10-04 |
| 4725596 | Pyrimidine derivatives having anti-allergy, anti-inflammatory and immuno suppressant activity | Richard J. Friary, Marvin Siegel | 1988-02-16 |
| 4687774 | Method for suppressing the immune response | Marvin Siegel | 1987-08-18 |
| 4666922 | Method for modulating the immune response | Marvin Siegel | 1987-05-19 |
| 4226495 | Cable system subscriber tap with rotating center conductor seizure apparatus and spiral contact and method for using same | Robert J. Palle, Kenton D. Rockwell, Charles F. Napierski | 1980-10-07 |