Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609140 | Rigid paperboard container and method and apparatus for producing same | Gerald J. Van Handel, John L. Petit | 1986-09-02 |
| 4606496 | Rigid paperboard container | Ronald P. Marx, Denny R. Grans | 1986-08-19 |