Friedrich Bertignoll
3Patents
2h-index
3Co-inventors
37Inventor score
Filing activity: Jun 11, 1984 → Feb 9, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5581683A | Light diffusing apparatus with U-shaped light guide | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4817164A | Electrostatic discharge protector for an electret microphone | Electricity | 24 | Expired |
| US4598176A | Telephone handset cord guide and retainer | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.