Inventor · Cedar Rapids, IA, US

Richard D. Spring

3Patents
3h-index
7Co-inventors
39Inventor score

Filing activity: Dec 20, 1996 → Aug 28, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5867774A Smart remote control panel for a radio Electricity 25 Expired
US7200229B2 Modular communication platform Electricity 13 Expired
USD389837S Control face plate for a radio General 6 Expired

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