Inventor · Plainfield Charter Township, MI, US

Robert E. O'Brien

7Patents
6h-index
7Co-inventors
56Inventor score

Filing activity: Dec 19, 1979 → Nov 13, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5874989A Bus door observation system Electricity 27 Expired
US7677751B2 Hands free magnification eyewear Physics 24 Active
US4390517A Method, composition and kit for stabilizing radiolabeled compounds Emerging Cross-Sectional Technologies 22 Expired
US4522742A Water soluble fluor compositions Physics 17 Expired
US4358434A Method, composition and kit for stabilizing radiolabeled compounds Human Necessities 15 Expired
US4358401A Liquid emulsion scintillators which solidify for facile disposal Physics 10 Expired
US4645618A Water soluble floors Physics 3 Expired

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