Patent assignee · GB · INDIVIDUAL

Charles Keen

2Patents
2Active
2Granted
40Portfolio score

Filing activity: Jan 19, 2004 → Oct 24, 2013 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8616629B2 Seating apparatus Human Necessities 4 Active
US8950805B2 Seating apparatus Human Necessities 3 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.