Inventor · Amesbury, MA, US

John Duval

3Patents
3h-index
4Co-inventors
47Inventor score

Filing activity: Dec 19, 1989 → Aug 9, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US8446670B2 Convergence adjustment mechanism Physics 7 Active
US8517532B1 Eyewear with reversible folding temples Physics 6 Active
US4981289A Clamp for milling machines or the like Performing Operations; Transporting 4 Expired

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