Inventor · Mankato, MN, US

David E. Ewel

3Patents
2h-index
4Co-inventors
37Inventor score

Filing activity: Feb 23, 1998 → Feb 6, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5960694A Hydrostatic power steering system having reduced wheel slip Performing Operations; Transporting 12 Expired
US6866348B2 Electronically controlled full power brake valve Performing Operations; Transporting 5 Expired
US10160428B2 Trailer break-away switch Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.