Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721500 | Method of forming a rigid paper-board container | Gerald J. Van Handel, Patrick H. Wnek | 1988-01-26 |
| 4609140 | Rigid paperboard container and method and apparatus for producing same | Gerald J. Van Handel, Patrick H. Wnek | 1986-09-02 |