Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815394 | Adjustable rack of shelves | Irwin Kulbersh | 1989-03-28 |
| 4607795 | Spray head assembly | John A. Biela | 1986-08-26 |
| D282394 | Spray head | — | 1986-01-28 |
| 4527743 | Spray head assembly | John A. Biela | 1985-07-09 |
| 4431031 | Pre-rinse hose | — | 1984-02-14 |