Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Portable one-way radio pager with an encoded sound signal transmitter and identification method using same

Portable one-way radio pager with an encoded sound signal transmitter and identification method using same

US Patent 5970389 · Granted Oct 19, 1999

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and apparatus for injecting droplets in a microfluidic system2025
Thin client for installing a network-connectable device2023
Human-powered vehicle suitable for compact storage2022
Method for recharging an electrical energy storage device storing electrical ene2022
Urine home analyser2022
Detection device for bedding for sleep monitoring2020
Method and device for monitoring a baby for interaction2020
Monitoring device with volatile organic compounds sensor and system using same2019
Method to determine positions and states of an activity monitoring device2019
Strap watch with extended features2019
Informative system using and instrumented and connected hairbrush2019
Thin weighing scale with a sandwich structure2019