Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D320130 | Shelf unit | — | 1991-09-24 |
| 4198020 | Container support | George A. Walker, Leavenworth P. Sperry | 1980-04-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D320130 | Shelf unit | — | 1991-09-24 |
| 4198020 | Container support | George A. Walker, Leavenworth P. Sperry | 1980-04-15 |