Inventor · Peterborough, ON, CA

Ralph D. Closs

1Patents
1h-index
1Co-inventors
22Inventor score

Filing activity: Oct 26, 1987 → Oct 26, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4788930A Weigh bridge for variable inclination conveyor Physics 22 Expired

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