Patent assignee · US · COMPANY

Handi-Trak Incorporated

2Patents
0Active
2Granted
21Portfolio score

Filing activity: Aug 17, 1990 → Jun 5, 1991

Most-cited patents

PatentTitleAreaCited byStatus
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.