Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379856 | Toner compositions | Edward J. Gutman | 2002-04-30 |
| 6358657 | Toner binder of polyester having a high melt flow index and toners therefrom | Scott M. Silence, Joo T. Chung, James M. Proper, John Ianni, Hui Chang | 2002-03-19 |
| 6214507 | Toner compositions | Edward J. Gutman | 2001-04-10 |
| 5318431 | Process and apparatus for preparing toner particles | Hui Chang, Joseph L. Leonardo | 1994-06-07 |
| 4973439 | Process for preparing toner particles | Hui Chang, Joseph L. Leonardo | 1990-11-27 |