Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Arrangement for intentionally blocking telephone calls to predefined destination numbers but allowing such blocking to be selectively overridden

Arrangement for intentionally blocking telephone calls to predefined destination numbers but allowing such blocking to be selectively overridden

US Patent 5109408 · Granted Apr 28, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Battery management assistant2021
Distributed secure training of neural network model2021
Assessing trust of components in systems2020
Distributed ledger for wireless channel assignment2020
Automated collaboration workflow generation in thing-sourcing environments2019
Feedback and customization in expert systems for anomaly prediction2019
Authenticating identity for password changes2019
Predictive graph selection2019
Data collection and estimation using an internet of things2019
Positioning a cursor on a display monitor based on a user's eye-gaze position2019
Collaborative data analytics application2019
Communicating personalized messages using quick response (QR) codes2019