Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875716 | Rotating ink cup | — | 1999-03-02 |
| 5832835 | Soft doctoring cup | — | 1998-11-10 |
| 5664496 | Doctoring ink cup | Edward H. Wilson, Jr. | 1997-09-09 |
| 5578364 | Gravure plate assembly | L. Edward Drew, II | 1996-11-26 |
| 5109832 | Method of and apparatus for producing alternating pressure in a therapeutic device | Richard Proctor | 1992-05-05 |