Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568801 | Plasma arc ignition system | ROBERT KALDENBACH, John Unsworth | 1996-10-29 |
| 5138785 | Locks for firearms | — | 1992-08-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568801 | Plasma arc ignition system | ROBERT KALDENBACH, John Unsworth | 1996-10-29 |
| 5138785 | Locks for firearms | — | 1992-08-18 |