Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482805 | Magnetic toner compositions with aluminum oxide, strontium titanate and polyvinylidene fluoride | Michael L. Grande, Bernard Grushkin, Douglas A. Lundy, Joseph R. E. Matalevich | 1996-01-09 |
| 5278018 | Magnetic toner compositions containing charge enhancing additive particles | Jonathan Hyland | 1994-01-11 |
| 5173742 | Double beam detector system for liquid chromatography | — | 1992-12-22 |
| 5034298 | Toner compositions and processes thereof | John S. Berkes, Richard B. Lewis, Robert J. Gruber, Michael J. Oszczakiewicz | 1991-07-23 |
| 4758493 | Magnetic single component toner compositions | Thomas J. McGowan | 1988-07-19 |
| 4740082 | Spectrophotometer | — | 1988-04-26 |
| 4311387 | Flow-through sample cell and collecting and illuminating optics for liquid chromatography | Charles F. deMey, II | 1982-01-19 |
| 4264697 | Imaging system | Steven R. Perez, Alan R. Monahan, Chin H. Lu, Peter F. Erhardt, Christopher J. AuClair | 1981-04-28 |
| 4240740 | Development system | — | 1980-12-23 |