Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839574 | Frozen food tray and carton ensemble | Matthew W. Lorence | 1998-11-24 |
| 5234159 | Container/lid assembly | Matthew W. Lorence, Brian D. Hopkins | 1993-08-10 |
| D329247 | Combined microfilm viewer and printer | James H. Westoby, Todd A. Kahle, Robert E. Gunst | 1992-09-08 |