Inventor · Davenport, IA, US

Robert H. Ankum

2Patents
2h-index
1Co-inventors
27Inventor score

Filing activity: Oct 31, 1983 → Mar 17, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4793511A Seed meter having seed disk aperture cleaning wiper and brush arrangement Human Necessities 57 Expired
US4799291A Self-aligning hinge Fixed Constructions 21 Expired

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