Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666830 | Security lock, with free opening from indoors | — | 1997-09-16 |
| 4429554 | Bilateral key for cylinder lock | Abraham I. Scherz | 1984-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666830 | Security lock, with free opening from indoors | — | 1997-09-16 |
| 4429554 | Bilateral key for cylinder lock | Abraham I. Scherz | 1984-02-07 |