Inventor · Dickinson, ND, US

Stephen A. Schafer

5Patents
4h-index
4Co-inventors
50Inventor score

Filing activity: Jul 27, 1982 → Nov 15, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4830430A Split-back chair, particularly office chair Human Necessities 33 Expired
US4548194A Fuel stoker and furnace Mechanical Engineering; Lighting; Heating 15 Expired
US4430948A Fuel stoker and furnace Mechanical Engineering; Lighting; Heating 13 Expired
USD880436S1 Heat sink for a control module General 4 Active
US4454860A Fuel stoker and furnace Mechanical Engineering; Lighting; Heating 4 Expired

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