Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for discriminating gold and silver coins and bars from counterfeit

Method and apparatus for discriminating gold and silver coins and bars from counterfeit

US Patent 10497198 · Granted Dec 3, 2019

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Laser surgery employing heavy water to enhance laser beam transmission2021
Apparatus and methods for side-fire optical fiber assembly suitable for medical 2020
Apparatus and methods for a semi-automatic pill counting tray2019
Apparatus and methods for side-fire optical fiber device suitable for medical ap2018
Remote monitoring system2001
Remote monitoring system2000
Apparatus and method for a system capable of remotely validating the identity of1996
Security system employing optical key shape reader1992
Method for laser surgery1992
Laser surgical apparatus with a lensguide1990
Operator lockout prevention device1990
Apparatus and method for a universal electronic locking system1990