U.S. Computer Systems
3Patents
0Active
3Granted
30Portfolio score
Filing activity: Jun 15, 1981 → Sep 11, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4768228A | Data acquisition device | Electricity | 211 | Expired |
| US4392119A | Apparatus and method for monitoring the arrival and duration of stay of a vehicle at a drive-in window | Physics | 42 | Expired |
| US4614970A | Descrambler apparatus | Electricity | 26 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.