Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688873 | Plug assist quick change mounting for thermoformer tooling | — | 2004-02-10 |
| 6371327 | Compartmented disposable food service articles with angular junctions thermoformed with plug-assist | Anthony J. Swiontek, Mark B. Littlejohn | 2002-04-16 |
| 6241096 | Disposable servingware with nesting resistant flange patterns | Mark B. Littlejohn, Anthony J. Swiontek | 2001-06-05 |
| 6164949 | Adjustable curling screw mechanism for a lip rolling machine | — | 2000-12-26 |
| 6135754 | Adjustable feed roller mechanism for lip rolling machine | — | 2000-10-24 |
| 6093010 | Lip rolling machine with improved oven mounting and adjustable guide rods | — | 2000-07-25 |
| D372398 | Swirl tumbler | — | 1996-08-06 |
| 5199340 | Mechanical parts ejector for trim press | — | 1993-04-06 |