Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525438 | Battery closure apparatus | Charles W. Kostrivas, Mark E. Sauter, Bernard N. Spiegelberg | 1996-06-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525438 | Battery closure apparatus | Charles W. Kostrivas, Mark E. Sauter, Bernard N. Spiegelberg | 1996-06-11 |