Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919741 | Method for making embossed information plate having retroreflective sheeting on the surface thereof | Dennis J. Chirhart, Michael P. Daniels | 1990-04-24 |
| 4361637 | Electron bis-benzocarbazole donor compounds and photoconductive charge transport materials | John J. Stofko, Jr., Terry J. Sonnonstine | 1982-11-30 |
| 4277551 | Electrophotographic plate having charge transport overlayer | Terry J. Sonnonstine | 1981-07-07 |