Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761238 | Locking device and method | — | 2023-09-19 |
| 7114931 | Rotary pump | Robert A. Wilk | 2006-10-03 |
| 6821099 | Rotary pump | Robert A. Wilk | 2004-11-23 |
| 6675982 | Lid with a pump/bellows device | Ross Heil, Robert A. Wilk | 2004-01-13 |