Derek Alker
1Patents
1h-index
1Co-inventors
22Inventor score
Filing activity: Mar 21, 1975 → Mar 21, 1975
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3991578A | Self-advancing mine roof supports | Fixed Constructions | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.