Inventor · Towanda, PA, US

Van B. Johnson

3Patents
2h-index
2Co-inventors
27Inventor score

Filing activity: Dec 27, 1984 → Apr 14, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4579810A Process for preparing surprint proof on a pearlescent support Physics 26 Expired
US4712228A Daylight x-ray cassette having a weight to improve film release Physics 5 Expired
US4634658A Process for preparing surprint proof of an improved support Physics 2 Expired

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