Inventor · Mission Hills, KS, US

Mark A. Ernst

3Patents
2h-index
1Co-inventors
34Inventor score

Filing activity: Jul 16, 1999 → Jul 27, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7177829B1 Tax refund system Physics 88 Expired
US7765132B2 Tax refund system Physics 4 Active
US8521625B2 Tax refund system Physics 0 Active

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