Inventor · Danvers, MA, US

Richard J. Shea

5Patents
4h-index
6Co-inventors
46Inventor score

Filing activity: Jun 28, 1976 → Feb 24, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4201438A Spring contact for arc discharge tube base Electricity 22 Expired
US4084112A Incandescent lamp having two-part insulative base Electricity 13 Expired
US4156890A Flash assembly using elongated trigger bar Physics 6 Expired
US4648850A Low-pressure arc discharge lamp having a common passageway and method of manufacturing same Chemistry; Metallurgy 4 Expired
US4023893A Lamp and lens retrofit assembly for overhead projector Physics 4 Expired

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