Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285989 | Industrial drum dispensing stand with drip catch basin | Peter G. Hamaker | 1994-02-15 |
| 5277861 | Industrial drum molding | — | 1994-01-11 |
| 5116213 | Industrial drum molding | — | 1992-05-26 |
| 5092251 | Liquid containment pallet | Peter G. Hamaker | 1992-03-03 |
| D260569 | Drum | — | 1981-09-01 |
| D259969 | Drum | — | 1981-07-21 |