Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D329597 | Combined can and closure | Thomas A. Gallagher, Paul Knowlton | 1992-09-22 |
| 4936482 | Ringless paint container | Thomas A. Gallagher, Paul Knowlton | 1990-06-26 |
| 4880131 | Ringless paint container | Thomas A. Gallagher, Paul Knowlton | 1989-11-14 |
| 4442952 | Quad-seal snap lock | — | 1984-04-17 |
| 4421247 | Two-piece quad-seal closure with plug shock absorbing end panel | Paul A Lombardo, James Imlah | 1983-12-20 |