L. Marggraff
2Patents
2h-index
1Co-inventors
24Inventor score
Filing activity: Feb 6, 2003 → Jan 5, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6985139B2 | Interactive apparatus using print media | Physics | 9 | Expired |
| US7120385B2 | Write on interactive apparatus and method | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.