Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887123 | Boxlight for projection photoreproduction | Joseph H. Wally, Jr., Ronald L. Halsey | 1989-12-12 |
| 4847664 | Chase holding mechanism for camera/projector machines | Joseph H. Wally, Jr. | 1989-07-11 |