Inventor · Fox Lake, IL, US

Ralph Thomas

5Patents
5h-index
5Co-inventors
56Inventor score

Filing activity: May 19, 1976 → Nov 17, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4061955A Multi-cell battery protection system Electricity 49 Expired
US4569613A Snap on device for hardcover ring binder Emerging Cross-Sectional Technologies 32 Expired
US4524991A Snap on device for hardcover ring binder Emerging Cross-Sectional Technologies 18 Expired
US7042122B1 Electric motor Electricity 15 Expired
US8807412B2 Medical device accessory carrier Human Necessities 11 Active

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