Michael B. Ashdown
5Patents
5h-index
3Co-inventors
48Inventor score
Filing activity: May 12, 1989 → Jun 18, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5578875A | Dual battery recharger with backup power feature for use in systems having a base unit and battery-powered portable unit | Electricity | 33 | Expired |
| US4920352A | Retractable antenna | Electricity | 24 | Expired |
| US5586141A | Interface protocol method for use in a frequency hopping radio system having first hopping code for synchronization and second hopping code for communication | Electricity | 21 | Expired |
| US6349212B1 | Cordless telephone arrangement | Electricity | 19 | Expired |
| US4989012A | Antenna assembly | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.