Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877699 | Electrophotographic luminescent amplification process | Ralph H. Young | 1989-10-31 |
| 4865937 | Method of making fluorescent toner | Domenic Santilli | 1989-09-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877699 | Electrophotographic luminescent amplification process | Ralph H. Young | 1989-10-31 |
| 4865937 | Method of making fluorescent toner | Domenic Santilli | 1989-09-12 |