Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422882 | Core for a cylinder lock | — | 2000-04-18 |
| 5718136 | Lost key lock-out cylinder | Raymond Aldieri, John Carl Bergstrom, Thomas J. DiVito | 1998-02-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422882 | Core for a cylinder lock | — | 2000-04-18 |
| 5718136 | Lost key lock-out cylinder | Raymond Aldieri, John Carl Bergstrom, Thomas J. DiVito | 1998-02-17 |