Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7524002 | Locking door system for a storage cabinet | William H. Punzel, Andrew J. Kolman, Steven S. Dingle, James C. Muth | 2009-04-28 |
| 7478892 | Modular security cabinet system for storing firearms or the like | William H. Punzel, Andrew J. Kolman, Steven S. Dingle, James C. Muth | 2009-01-20 |
| D577529 | Weapons cabinet | William H. Punzel | 2008-09-30 |
| D564818 | Weapon cabinet | William H. Punzel | 2008-03-25 |