Inventor · Witham, GB

Roger K. Tolfree

3Patents
3h-index
4Co-inventors
39Inventor score

Filing activity: Oct 2, 1987 → Dec 3, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US4862453A Communication system Electricity 120 Expired
US4866709A Dynamic frame length communication system Electricity 96 Expired
US5454919A Depositing different materials on a substrate Chemistry; Metallurgy 28 Expired

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