Patent assignee · US · COMPANY

Whisper Communications, LLC

3Patents
0Active
3Granted
30Portfolio score

Filing activity: Jun 13, 1997 → Jun 3, 1999

Most-cited patents

PatentTitleAreaCited byStatus
US6137423A System for communication with a remote meter interface Physics 115 Expired
US5914672A System for field installation of a remote meter interface Physics 90 Expired
US5909640A Wireless communication system for adapting to frequency drift Electricity 76 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.