David B. Turner
3Patents
1Active
3Granted
34Portfolio score
Filing activity: Oct 12, 1989 → May 17, 2010
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4991329A | Canvas stretcher retaining clip for picture frames | Human Necessities | 24 | Expired |
| US8292310B2 | Bedside-ready patient ambulatory device | Human Necessities | 22 | Active |
| US6779276B1 | Level system | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.