Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5428430 | Image forming method and apparatus using an intermediate | Muhammad Aslam, Lawrence P. DeMejo, Kevin M. Johnson | 1995-06-27 |
| 5339146 | Method and apparatus for providing a toner image having an overcoat | Muhammad Aslam, Dinesh Tyagi, Kevin M. Johnson | 1994-08-16 |
| 5325161 | Device for developing an electrostatic image on an image member | Bijay S. Saha, James R. Flick, Thomas K. Hilbert | 1994-06-28 |
| 5284731 | Method of transfer of small electrostatographic toner particles | Dinesh Tyagi | 1994-02-08 |
| 5268249 | Magnetic carrier particles | Bijay S. Saha | 1993-12-07 |
| 5253021 | Method and apparatus of transferring toner images made up of small dry particles | Muhammad Aslam, Lawrence P. DeMejo, John M. McCabe | 1993-10-12 |
| 5190842 | Two phase ferroelectric-ferromagnetic composite carrier | Bijy S. Saha, Robert E. Zeman | 1993-03-02 |
| 5190841 | Two-phase ferroelectric-ferromagnetic composite and carrier therefrom | Bijay S. Saha, Robert E. Zeman | 1993-03-02 |
| 5106714 | Interdispersed two-phase ferrite composite and electrographic magnetic carrier particles therefrom | Bijay S. Saha, Robert E. Zeman | 1992-04-21 |
| 5104761 | Interdispersed three-phase ferrite composite and electrographic magnetic carrier particles therefrom | Bijay S. Saha, Robert E. Zeman | 1992-04-14 |
| 4273849 | Method of using liquid electrographic developers containing polymeric quaternary salts | Stewart H. Merrill, Frederick A. Stahly | 1981-06-16 |
| 4229513 | Liquid electrographic developers containing polymeric quaternary salts | Stewart H. Merrill, Frederick A. Stahly | 1980-10-21 |