Inventor · Buffalo Grove, IL, US

Rolland R. Hackbart

4Patents
3h-index
5Co-inventors
43Inventor score

Filing activity: Oct 12, 1990 → May 1, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6125286A Communication device having multiple displays and method of operating the same Emerging Cross-Sectional Technologies 96 Expired
US6304763A Communication device having multiple displays and method of operating the same Emerging Cross-Sectional Technologies 95 Expired
US5121288A Capacitive power supply Electricity 11 Expired
US5187640A Capacitive power supply Electricity 3 Expired

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