Inventor · Cedar Rapids, IA, US

Van Johnson

2Patents
1h-index
7Co-inventors
41Inventor score

Filing activity: Nov 13, 1981 → May 23, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4439944A Fishing rod casting device for a disabled person Human Necessities 5 Expired
USD1064864S1 Navigation device General 0 Active

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