Inventor · Spokane, WA, US

John Rank

1Patents
1h-index
5Co-inventors
25Inventor score

Filing activity: Dec 12, 1979 → Dec 12, 1979

Most-cited inventions

PatentTitleAreaCited byStatus
US4277689A Document reader Physics 62 Expired

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