Cardkey Systems, Inc.
1Patents
0Active
1Granted
25Portfolio score
Filing activity: Oct 12, 1990 → Oct 12, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5093861A | Recognition apparatus and method for security systems | Physics | 28 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.