Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679035 | Tri-signal electromagnetic article surveillance system | Paul H. Pfaff, Richard N. Spagna, Robert A. Clucas, Ezra D. Eskandry | 1987-07-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679035 | Tri-signal electromagnetic article surveillance system | Paul H. Pfaff, Richard N. Spagna, Robert A. Clucas, Ezra D. Eskandry | 1987-07-07 |