Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224954 | Insulating stock material and containers and methods of making the same | Richard P. Mitchell, Galyn A. Schulz | 2001-05-01 |
| 4721500 | Method of forming a rigid paper-board container | John L. Petit, Patrick H. Wnek | 1988-01-26 |
| 4609140 | Rigid paperboard container and method and apparatus for producing same | John L. Petit, Patrick H. Wnek | 1986-09-02 |