Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802255 | Ink fountain mechanism | James J. Keller | 2004-10-12 |
| 5865116 | Ink receptive dampening system for lithographic printing press | James J. Keller | 1999-02-02 |
| D338713 | Combined hot air drying and fan unit for use on a printing press | Clifford E. Cox | 1993-08-24 |