Inventor · Reston, VA, US

Charles E. Sigler

4Patents
4h-index
3Co-inventors
39Inventor score

Filing activity: Nov 30, 1995 → Nov 20, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5748742A Fraud detection and user validation system for mobile earth terminal communication device Electricity 36 Expired
US7636696B1 System, method, and computer program product for maintaining consumer privacy and security in electronic commerce transactions Physics 36 Expired
US6035039A Fraud detection and user validation system for mobile earth terminal communication device Electricity 23 Expired
US5708716A Fraud detection and user validation system for mobile earth terminal communication device Electricity 21 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.