Frederick P. DeKalb
4Patents
4h-index
5Co-inventors
43Inventor score
Filing activity: Jun 15, 1989 → May 10, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD505132S1 | Ear cone for a communications headset | General | 141 | Expired |
| US6810987B1 | Earbud headset | Electricity | 73 | Expired |
| US7986803B1 | Ear bud speaker earphone with retainer tab | Electricity | 43 | Active |
| US4975949A | Electronic headset telephone | Electricity | 36 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.