Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366197 | Two-way adjustable copyholder | — | 1994-11-22 |
| D349515 | Adjustable copyholder | J. Kipton Pohlman | 1994-08-09 |
| D329046 | Floppy disk drive security lock | — | 1992-09-01 |
| D318768 | Work station desk | H. Charles Hassel | 1991-08-06 |
| D318269 | Cable management housing for a computer work station | H. Charles Hassel | 1991-07-16 |
| D315921 | Multi-form feeder for printer | H. Charles Hassel | 1991-04-02 |
| D313614 | Adjustable printer stand | H. Charles Hassel | 1991-01-08 |
| D311753 | Printer stand | H. Charles Hassel | 1990-10-30 |
| D311754 | Printer stand | H. Charles Hassel | 1990-10-30 |
| 4801021 | Multi-line paper feeding assembly | H. Charles Hassel | 1989-01-31 |