Inventor · Duxbury, MA, US

Michael J. Gray

91Patents
40h-index
23Co-inventors
88Inventor score

Filing activity: Aug 21, 1975 → Feb 4, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
USD259596S Carrying case for a razor General 137 Expired
USD392418S Razor handle General 91 Expired
US5740428A Computer based multimedia medical database management system and user interface Emerging Cross-Sectional Technologies 90 Expired
USD397512S Razor handle General 89 Expired
US4872054A Video interface for capturing an incoming video signal and reformatting the video signal Electricity 89 Expired
USD444267S Razor handle General 86 Expired
USD406393S Razor handle General 78 Expired
US5782346A Tray for a wet shaving razor Human Necessities 74 Expired
USD260944S Razor General 72 Expired
USD534686S1 Razor handle General 71 Expired
USD509321S1 Razor General 70 Expired
US5950207A Computer based multimedia medical database management system and user interface Emerging Cross-Sectional Technologies 69 Expired
USD404527S Gripping pad for a razor handle General 69 Expired
USD396129S Razor General 69 Expired
USD352458S Dispenser for cream or gel General 67 Expired
USD533684S1 Razor cartridge General 67 Expired
USD392417S Razor handle General 64 Expired
USD422751S Razor blade cartridge General 63 Expired
USD515740S1 Razor General 63 Expired
USD500390S1 Razor handle grip General 62 Expired
USD438342S Razor handle General 61 Expired
USD271625S Razor handle General 60 Expired
USD510643S1 Razor handle General 58 Expired
US4661811A Video map display Electricity 57 Expired
USD534688S1 Razor handle General 55 Expired

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