Inventor · Tigard, OR, US

Perry E. Wingfield

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

Filing activity: Mar 15, 1985 → Jan 31, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5975690A Solid ink stick supply system Performing Operations; Transporting 40 Expired
US4646355A Method and apparatus for input picture enhancement by removal of undersired dots and voids Physics 35 Expired
US4648119A Method and apparatus for forming 3.times.3 pixel arrays and for performing programmable pattern contingent modifications of those arrays Physics 28 Expired

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