Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915526 | Static-proof platen for graphics plotter | Pernie E. Westly, Alexander C. Grattan, Jr. | 1990-04-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915526 | Static-proof platen for graphics plotter | Pernie E. Westly, Alexander C. Grattan, Jr. | 1990-04-10 |