View-Master Ideal Group, Inc.
5Patents
0Active
5Granted
26Portfolio score
Filing activity: May 22, 1986 → Aug 14, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4884974A | Interactive talking book and audio player assembly | Physics | 123 | Expired |
| US5108341A | Toy which moves in synchronization with an audio source | Human Necessities | 46 | Expired |
| US4726653A | Stereoscopic viewer | Physics | 9 | Expired |
| US4900287A | Tearing eye doll | Human Necessities | 5 | Expired |
| USD305667S | Stereoscopic viewer | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.