Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300697 | Adjustable crib | David R. Wallace, Robert W. Hamilton | 1989-04-18 |
| 4715074 | Crib | David R. Wallace, Robert W. Hamilton | 1987-12-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300697 | Adjustable crib | David R. Wallace, Robert W. Hamilton | 1989-04-18 |
| 4715074 | Crib | David R. Wallace, Robert W. Hamilton | 1987-12-29 |