Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632103 | Modular board arrangement | Thomas F. Dunlap, Steven Beno | 2009-12-15 |
| 5592886 | Adjustable wall-mounted system for shelves | John P. Chap, Mike Gadberry, William M. Covert | 1997-01-14 |
| D322849 | Air freshener case | — | 1991-12-31 |
| D294614 | Combined hand exercise device and cover therefor | John R. Ditsch, Luis H. Berrios | 1988-03-08 |
| 4678181 | Hand development system | John R. Ditsch, Luis H. Berrios | 1987-07-07 |