Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945082 | Key blank, key and master keying system | Peter H. Field, Andy Perkins, Mark Benzie, Glenn Hartman, Clyde T. Roberson +3 more | 2005-09-20 |
| 4731622 | Multiple information array registration apparatus and method | Jerome L. Johnson, Charles Morris | 1988-03-15 |