Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503070 | Marking apparatus with detection of excessive marking pressure | James M. Cheever, Richard H. Frye, Gary F. Fowler, Edward E. Freyenhagen | 1996-04-02 |
| 4271757 | Rotary offset article printing system | Peter Jenness, III, Michael F. Potter | 1981-06-09 |