Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071569 | Method of applying sample material to a substrate | — | 2000-06-06 |
| 5193425 | Chip impalement spears for rotary cutters | Gaines P. Campbell, Jr. | 1993-03-16 |
| 5156075 | Chip removal apparatus for rotary cutters of web printing presses | Gaines P. Campbell, Jr. | 1992-10-20 |