Inventor · Topeka, KS, US

John Ewen

2Patents
1h-index
3Co-inventors
37Inventor score

Filing activity: Oct 9, 2001 → Nov 23, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6600441B2 Subsurface exploratory radar detector for a hand tool device Physics 14 Expired
US9753073B2 Method and systems for testing an electrical circuit Electricity 0 Active

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