Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657053 | Method for determining pen location on display apparatus using piezoelectric point elements | Charles E. Primm, Robert H. Taylor | 1997-08-12 |
| 5657054 | Determination of pen location on display apparatus using piezoelectric point elements | Charles E. Primm, Robert H. Taylor | 1997-08-12 |
| 5611719 | Method for improving flat panel display anode plate phosphor efficiency | Kenneth G. Vickers, Chi-Cheong Shen, Bruce E. Gnade | 1997-03-18 |