Handi-Trak Incorporated
2Patents
0Active
2Granted
21Portfolio score
Filing activity: Aug 17, 1990 → Jun 5, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5261470A | Wheelchair traction device for snow and ice | Performing Operations; Transporting | 5 | Expired |
| US5033993A | Positive, drive conversion kit for motorized wheelchair | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.