Brooktrout Technology, Inc.
4Patents
0Active
4Granted
30Portfolio score
Filing activity: May 11, 1988 → Apr 27, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.