Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11920389 | Reversible latchbolt | — | 2024-03-05 |
| 11851913 | Hook bolt for door lock | Eric Palmieri, Andrew S. Geraci, Richard D. Sangster, JR., Victor Bogdanov, Ryan Piantek | 2023-12-26 |
| 11639618 | Reversible latchbolt | — | 2023-05-02 |
| 11585116 | Anti-ligature lever | Richard D. Sangster, JR. | 2023-02-21 |
| 11156016 | Anti-ligature turn piece | Eric Palmieri, Tracy F. Fowler, Lee Griswold | 2021-10-26 |
| D843811 | Anti-ligature escutcheon | Lee Griswold, Eric Palmieri, Tracy F. Fowler | 2019-03-26 |