Masterson Engineering Inc.
3Patents
0Active
3Granted
22Portfolio score
Filing activity: Nov 15, 1978 → Jun 28, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD265085S | Phonograph | General | 9 | Expired |
| US4254959A | Phonograph tone arm control system | Physics | 3 | Expired |
| US4239239A | Phonograph tone arm system | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.