Inventor · Afton, MN, US

Robert D. DeMaster

5Patents
4h-index
9Co-inventors
50Inventor score

Filing activity: Jun 13, 1975 → Jun 14, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US4061268A Traction mat Emerging Cross-Sectional Technologies 37 Expired
US4035059A Low-profile raised retroreflective pavement marker Fixed Constructions 31 Expired
US7026103B2 Multicolor imaging using multiphoton photochemical processes Physics 21 Expired
US5841613A Tape cassette for cleaning VCR heads and transport components Physics 10 Expired
US6256166A Tape cassette for cleaning VCR heads and transport components Physics 2 Expired

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