Rolf E. Gruller
1Patents
0Active
1Granted
25Portfolio score
Filing activity: May 28, 1991 → May 28, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5103573A | Picture hanging device | Human Necessities | 65 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.