Victor Richards
5Patents
0Active
5Granted
23Portfolio score
Filing activity: Dec 5, 1973 → Oct 19, 1977
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD251494S | Stereoscopic viewer | General | 8 | Expired |
| US3942884A | Interactive audio-visual apparatus | Physics | 4 | Expired |
| US3965762A | Single speed frictional drive unit with magnetic biasing means | Physics | 3 | Expired |
| US3930654A | Sound track unit for audio-visual apparatus | Physics | 1 | Expired |
| US3944234A | Audio apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.