Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851756 | Primary-secondary hybrid battery | David R. Schaller, George R. Menkart, Robert J. Bosben | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851756 | Primary-secondary hybrid battery | David R. Schaller, George R. Menkart, Robert J. Bosben | 1989-07-25 |