Inventor · Alameda, CA, US

Robert Stephen

18Patents
7h-index
8Co-inventors
59Inventor score

Filing activity: Jul 13, 1984 → Oct 1, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7802953B2 Inset panel fastener Emerging Cross-Sectional Technologies 26 Active
US4571025A Reflective system for bicycles Performing Operations; Transporting 26 Expired
US7896599B2 Hybrid composite-metal male fastener Emerging Cross-Sectional Technologies 25 Active
US6880787B2 Ring-post fastener Emerging Cross-Sectional Technologies 17 Expired
US6327763A Alignment tool Emerging Cross-Sectional Technologies 11 Expired
US6880788B2 Ring-post fastener Emerging Cross-Sectional Technologies 10 Expired
US6593516B1 Holder for a musical instrument reed Physics 7 Expired
US6267354A Separating device Human Necessities 7 Expired
US8105004B2 Hybrid composite-metal male fasteners Emerging Cross-Sectional Technologies 6 Active
USD496851S1 Ring-post fastener General 5 Expired
USD729603S1 Separator General 5 Active
US7294385B1 Fixture with integral stops Emerging Cross-Sectional Technologies 4 Expired
USD497100S1 Ring-post fastener General 4 Expired
US6880809B2 Separating device Emerging Cross-Sectional Technologies 3 Expired
US5832582A Apparatus for aligning two members Emerging Cross-Sectional Technologies 2 Expired
US6513216B2 Alignment tool Emerging Cross-Sectional Technologies 1 Expired
US8322009B2 Apparatus and method for separating flanges Emerging Cross-Sectional Technologies 0 Active
US9188264B2 Flange pipe coupling Emerging Cross-Sectional Technologies 0 Active

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