Inventor · Owensboro, KY, US

John Simpson

3Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Apr 15, 1976 → Jan 11, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US8359881B2 Refrigerator appliance with freezer compartment position-adjustable partitions Mechanical Engineering; Lighting; Heating 24 Active
US4084293A Fish-beheading machine and process Human Necessities 5 Expired
USD286125S Rack for crab utensils General 1 Expired

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