Inventor · Rockville, IN, US

Ralph D. Heifner

2Patents
2h-index
2Co-inventors
27Inventor score

Filing activity: Dec 3, 1980 → Sep 30, 1983

Most-cited inventions

PatentTitleAreaCited byStatus
US4386956A Metal recovery process from aluminum dross Emerging Cross-Sectional Technologies 31 Expired
US4527779A Metal recovery compression mechanism Emerging Cross-Sectional Technologies 19 Expired

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