Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402930 | High quality inexpensive pizza box | David W. Spitz, Walter F. Mikus | 1995-04-04 |
| 5234158 | Two-piece container for pizza or the like | David W. Spitz, Walter F. Mikus | 1993-08-10 |