David Graham Ellis
2Patents
0Active
2Granted
24Portfolio score
Filing activity: May 12, 1992 → May 6, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6083490A | UV absorbing compositions | Chemistry; Metallurgy | 40 | Expired |
| US5293866A | Oxygen flow meter indicator | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.