Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157852 | Three dimensional paper structure enclosed in a transparent box | John D. Phelps | 1992-10-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157852 | Three dimensional paper structure enclosed in a transparent box | John D. Phelps | 1992-10-27 |