Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8532585 | Electronic device with rotary knob multi-functional control | Willem Deleus, Robert Jastram | 2013-09-10 |
| 8463316 | Communication device with a multi-functional control | Robert Jastram, Willem Deleus | 2013-06-11 |
| 4938241 | RV sanitary dumping bay and potable water system | — | 1990-07-03 |