Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022261 | Aneroid volume determining system | Jason Wolfson | 1991-06-11 |
| 4419734 | Inventory control system | Jan W. Grondstra, Curt W. Jarva | 1983-12-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022261 | Aneroid volume determining system | Jason Wolfson | 1991-06-11 |
| 4419734 | Inventory control system | Jan W. Grondstra, Curt W. Jarva | 1983-12-06 |