Roberto Viazzi
1Patents
1h-index
—Co-inventors
19Inventor score
Filing activity: Nov 2, 1989 → Nov 2, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4993379A | Sliding stem seal, particularly for valve stems | Mechanical Engineering; Lighting; Heating | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.