Bernard Frank
2Patents
0Active
2Granted
20Portfolio score
Filing activity: Aug 11, 1986 → Mar 14, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4903850A | Vaporizing device | Human Necessities | 22 | Expired |
| USD294732S | Vaporizer base for a facial sauna or the like | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.