Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5299385 | Detention cell locking system | — | 1994-04-05 | $3,726,000 |
| 4929003 | Motorized locking mechanism for a door | — | 1990-05-29 | $175,000 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5299385 | Detention cell locking system | — | 1994-04-05 | $3,726,000 |
| 4929003 | Motorized locking mechanism for a door | — | 1990-05-29 | $175,000 |