SENTRY TECHNOLOGY CORPORATION
6Patents
0Active
6Granted
29Portfolio score
Filing activity: Sep 30, 1974 → Feb 16, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3990067A | Electronic security tour system | Physics | 60 | Expired |
| US5825291A | Electronic article surveillance system | Electricity | 23 | Expired |
| US5993222A | Moving electrical contact for track mounted systems | Electricity | 20 | Expired |
| US5975581A | System for confirming the authenticity of an article using a magnetic reader | Performing Operations; Transporting | 13 | Expired |
| US6189838A | Position detector for track mounted surveillance systems | Physics | 4 | Expired |
| US6390419B1 | Position detector for track mounted surveillance systems | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.