Sentex Systems, Inc.
3Patents
0Active
3Granted
27Portfolio score
Filing activity: Jul 7, 1988 → Jun 6, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5475741A | Telephone-entry system with electronic directory | Physics | 55 | Expired |
| US5027111A | Liquid-crystal display unit for electronic directory | Physics | 25 | Expired |
| US5416495A | Liquid-crystal display unit for electronic directory | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.