Ratio Disc Corp.
1Patents
0Active
1Granted
25Portfolio score
Filing activity: Apr 13, 2001 → Apr 13, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6390945B1 | Friction gearing continuously variable transmission | Mechanical Engineering; Lighting; Heating | 84 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.