Matthew Engstrom
4Patents
4h-index
10Co-inventors
37Inventor score
Filing activity: Nov 30, 2005 → Oct 31, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD532770S1 | Pair of earphones | General | 48 | Expired |
| USD557253S1 | Earphone portion | General | 16 | Expired |
| USD557254S1 | Earphone portion | General | 14 | Expired |
| USD579918S1 | Control assembly for audio device | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.