Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12417679 | Obstruction detection of a transaction device display screen | David Wurmfeld | 2025-09-16 |
| 11488454 | Obstruction detection of a transaction device display screen | David Wurmfeld | 2022-11-01 |
| 4589134 | Personal sound system | — | 1986-05-13 |