Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622889 | Percolator including pump type dispenser | David T. Higgins, Michael D. Reynolds, William J. Tweed | 1986-11-18 |
| 4512246 | Percolator including pump-type dispenser | William J. Tweed, David T. Higgins | 1985-04-23 |
| 4464983 | Percolator including pump-type dispenser | William J. Tweed, David T. Higgins | 1984-08-14 |