Martin E. Henderson
4Patents
4h-index
12Co-inventors
51Inventor score
Filing activity: Aug 28, 1981 → Jun 1, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4412211A | System for test sequence annunciation | Physics | 17 | Expired |
| US6504908B1 | Reminder phone | Electricity | 17 | Expired |
| US4468664A | Non-home run zoning system | Physics | 13 | Expired |
| US8515022B2 | Speakerphone and extension speakerphone for use in personal emergency response system | Electricity | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.