Inventor · Anoka, MN, US

J. David Johnson

1Patents
1h-index
1Co-inventors
22Inventor score

Filing activity: Feb 19, 1985 → Feb 19, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
USD289859S Survey marker cap General 10 Expired

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