Helmut Petersein
2Patents
2h-index
4Co-inventors
37Inventor score
Filing activity: Oct 4, 1976 → Dec 31, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4791017A | Hard, gold-colored under layer for a gold or gold-containing surface layer and an article therewith | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4115653A | Electron beam vaporizer | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.