Inventor · Columbus, OH, US

Mark C. Eyman

11Patents
5h-index
11Co-inventors
52Inventor score

Filing activity: Mar 30, 2005 → May 18, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7121599B2 Hand-operated tool with central step Human Necessities 22 Expired
USD537700S1 Handle for hand-operated tool General 15 Expired
USD532274S1 Handle for hand tool General 13 Expired
USD582226S1 Hand tool with multiple grips General 11 Expired
USD539629S1 Handle for hand-operated tool General 7 Expired
USD522324S1 Cultivator head for hand tool General 5 Expired
USD521823S1 Bulb planter General 5 Expired
USD518340S1 Hand operated tool General 4 Expired
US7647703B2 Bulb planter with twin grips Human Necessities 4 Active
US7845082B2 Universal hand pruner with extendible handles Performing Operations; Transporting 3 Active
USD548027S1 Hand pruner General 2 Expired

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