Inventor · Owatonna, MN, US

Mark R. Friedrichs

3Patents
3h-index
5Co-inventors
36Inventor score

Filing activity: Jan 21, 2004 → Jul 26, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7185899B2 Riser cart Performing Operations; Transporting 27 Expired
USD606339S1 Cabinet grille General 7 Expired
US7921960B2 Acoustic cabinet Fixed Constructions 3 Active

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