Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469723 | Safety locks | Noel Litwin | 1995-11-28 |
| 4429554 | Bilateral key for cylinder lock | Noel Litvin | 1984-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469723 | Safety locks | Noel Litwin | 1995-11-28 |
| 4429554 | Bilateral key for cylinder lock | Noel Litvin | 1984-02-07 |