Inventor · Paris, FR

Sandrine Francois

3Patents
3h-index
3Co-inventors
36Inventor score

Filing activity: Oct 16, 1998 → Jan 20, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6220705A Progressive multifocal ophthalmic lens Physics 14 Expired
US6540354B2 Multifocal ophthalmic lens Physics 8 Expired
US6186626A Pair of multifocal progressive spectacle lenses Physics 5 Expired

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