Inventor · Tigard, OR, US

Gerald E. Heppell

3Patents
3h-index
10Co-inventors
40Inventor score

Filing activity: Aug 28, 1997 → Aug 16, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US6155675A Printhead structure and method for producing the same Performing Operations; Transporting 30 Expired
US6062679A Printhead for an inkjet cartridge and method for producing the same Performing Operations; Transporting 21 Expired
US6328423A Ink jet cartridge with integrated circuitry Performing Operations; Transporting 18 Expired

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