Inventor · Union City, OH, US

Robert R. Yeager

6Patents
5h-index
2Co-inventors
42Inventor score

Filing activity: Aug 13, 1976 → Dec 20, 1979

Most-cited inventions

PatentTitleAreaCited byStatus
US4261593A Planting and fertilizing apparatus Mechanical Engineering; Lighting; Heating 18 Expired
US4131221A Planting and fertilizing apparatus Human Necessities 18 Expired
USD248654S Cultivator General 16 Expired
US4133389A Hand-held power driven cultivator Human Necessities 13 Expired
US4165697A Hand operated seed planter Emerging Cross-Sectional Technologies 7 Expired
US4239086A Lifting mechanism with cam Emerging Cross-Sectional Technologies 3 Expired

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