Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310769 | Ship lock system with hydroelectric pumped-storage capability | Joseph E. Tegda | 1982-01-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310769 | Ship lock system with hydroelectric pumped-storage capability | Joseph E. Tegda | 1982-01-12 |