Inventor · Winchester, MA, US

John E. Trombly

5Patents
5h-index
3Co-inventors
45Inventor score

Filing activity: Nov 20, 1975 → Aug 1, 1979

Most-cited inventions

PatentTitleAreaCited byStatus
US4031449A Electromagnetically coupled battery charger Emerging Cross-Sectional Technologies 176 Expired
US4302629A Digital data transmission system Electricity 127 Expired
US4031434A Keyhole-less electronic lock Emerging Cross-Sectional Technologies 62 Expired
US4330687A Audio and full duplex digital data carrier system Electricity 54 Expired
US4207555A Lock system Physics 28 Expired

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