Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649799 | Apparatus for connecting ring-binder with folder | Theo A. Constantine | 1997-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649799 | Apparatus for connecting ring-binder with folder | Theo A. Constantine | 1997-07-22 |