Inventor · Minneapolis, MN, US

John C. Keller

7Patents
5h-index
11Co-inventors
56Inventor score

Filing activity: Dec 9, 1996 → Jul 2, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6421322B1 System and method for electronically identifying connections of a cross-connect system Electricity 168 Expired
US5963843A Amplifier switch controller and system Electricity 39 Expired
US6449768B1 Split linked A/B switch apparatus Electricity 24 Expired
US7519003B2 System and method for electronically identifying connections of a cross-connect system Electricity 9 Expired
US9742633B2 System and method for electronically identifying connections of a system used to make connections Electricity 6 Active
US7907537B2 System and method for electronically identifying connections of a cross-connect system Electricity 2 Active
US8804540B2 System and method for electronically identifying connections of a cross-connect system Electricity 2 Active

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