Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655400 | Progressive die apparatus and method for making a lead alloy battery terminal | Bernard N. Spiegelberg | 1997-08-12 |
| 5632173 | Apparatus and method for cold forming a ring on a lead alloy battery terminal | Bernard N. Spiegelberg | 1997-05-27 |