Derrel Spencer
4Patents
3h-index
2Co-inventors
33Inventor score
Filing activity: Jan 27, 2004 → Dec 15, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7290749B1 | Concrete form systems with concrete ties | Fixed Constructions | 10 | Expired |
| US7331560B2 | Concrete form systems | Fixed Constructions | 6 | Expired |
| US7780894B2 | System for defining openings in tilt-up walls | Fixed Constructions | 3 | Active |
| US7832705B2 | Grade bracket for use in concrete form system | Fixed Constructions | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.