Jostens Learning Systems, Inc.
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Feb 24, 1983 → Sep 21, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4639877A | Phrase-programmable digital speech system | Physics | 14 | Expired |
| US4675840A | Speech processor system with auxiliary memory access | Physics | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.