William C. Sand
4Patents
4h-index
8Co-inventors
43Inventor score
Filing activity: Oct 28, 1983 → Apr 23, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4791640A | Call charging arrangement | Electricity | 65 | Expired |
| US6385609B1 | System and method for analyzing and displaying telecommunications switch report output | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4636584A | Signaling protocol channel unit | Electricity | 36 | Expired |
| US4623760A | Signaling protocol interface channel unit | Electricity | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.