Patent assignee · US · COMPANY

Brooktrout Technology, Inc.

4Patents
0Active
4Granted
30Portfolio score

Filing activity: May 11, 1988 → Apr 27, 1999

Most-cited patents

PatentTitleAreaCited byStatus
US4918722A Control of electronic information delivery Emerging Cross-Sectional Technologies 140 Expired
US5291546A Fax message system Electricity 78 Expired
US5488651A Fax message system Electricity 66 Expired
US6321194A Voice detection in audio signals Physics 41 Expired

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