Douglas R. Eger
4Patents
0Active
4Granted
28Portfolio score
Filing activity: Feb 9, 1990 → Aug 15, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5222623A | Covered drinking vessel | Human Necessities | 73 | Expired |
| US5192427A | Shower filters and accessories | Human Necessities | 36 | Expired |
| US4998228A | Drinking water filter | Chemistry; Metallurgy | 22 | Expired |
| USD342189S | Covered mug | General | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.