Charles Keen
2Patents
2Active
2Granted
40Portfolio score
Filing activity: Jan 19, 2004 → Oct 24, 2013 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.