Rhythm Tech Inc.
6Patents
3Active
6Granted
34Portfolio score
Filing activity: Sep 28, 1989 → Sep 23, 2010 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD585639S1 | Tambourine case | General | 18 | Expired |
| US7665604B2 | Tambourine display/protective case | Physics | 11 | Active |
| USD543579S1 | Tambourine | General | 5 | Expired |
| USD319457S | Combined musical triangle and a stand | General | 4 | Expired |
| US8058541B2 | Percussion accessories for drumsticks | Physics | 4 | Active |
| US7714219B2 | Enhanced comfort headless tambourine | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.