David D. Apfel
2Patents
2h-index
1Co-inventors
27Inventor score
Filing activity: Mar 14, 2000 → Mar 21, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6422575B1 | Expandable pre-formed plug | Emerging Cross-Sectional Technologies | 130 | Expired |
| US7011315B2 | Expandable pre-formed plug | Emerging Cross-Sectional Technologies | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.