Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177831 | Cloth-covered sponge mop | — | 1993-01-12 |
| 4461210 | Wedge shaped ink agitator for printing presses | John MacPhee, C. Robert Gasparrini | 1984-07-24 |
| 4394870 | System for mixing concentrate and water to form fountain solution for offset printing presses | John MacPhee, John St. John | 1983-07-26 |