John T. Boatwright
6Patents
4h-index
4Co-inventors
50Inventor score
Filing activity: Oct 18, 1978 → May 19, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4232199A | Special services add-on for dial pulse activated telephone switching office | Emerging Cross-Sectional Technologies | 179 | Expired |
| US6185415A | Call security system | Electricity | 24 | Expired |
| US6505039B1 | Call security system which detects fraud by examination of call history | Electricity | 13 | Expired |
| US5291547A | Call-disposition analyzer | Electricity | 12 | Expired |
| US7747243B2 | Call security system | Electricity | 1 | Expired |
| US8200190B2 | Call security system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.