Trak, Inc.
7Patents
1Active
7Granted
28Portfolio score
Filing activity: Dec 2, 1977 → Dec 23, 2011 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4223909A | Ski with improved three-dimensional running surface | Human Necessities | 32 | Expired |
| USD676047S1 | Mobile card reader | General | 23 | Active |
| US4178012A | Ski with three-dimensional running surface | Human Necessities | 21 | Expired |
| US4714266A | Ski running-surface plastic coating | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4565387A | Running-surface coating layer for skis | Human Necessities | 4 | Expired |
| US4313614A | Ski and its manufacture | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD256603S | Ski | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.