Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873134 | Hot melt ink projection transparency | Charles W. Spehrley, Jr., Lawrence R. Young | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873134 | Hot melt ink projection transparency | Charles W. Spehrley, Jr., Lawrence R. Young | 1989-10-10 |