Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5265735 | Modular desktop organizer for use with computer keyboard | H. Charles Hassel, Michael J. Rocha | 1993-11-30 |
| D330892 | Compartmented keyboard drawer | H. Charles Hassel | 1992-11-10 |
| D311001 | Vertical stand for central processing unit | H. Charles Hassel | 1990-10-02 |