Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Card feed and read mechanisms for time and attendance recorders

Card feed and read mechanisms for time and attendance recorders

US Patent 6439463 · Granted Aug 27, 2002

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Low voltage lighting control system and methods of control2020
Methods and apparatus for identifying and categorizing distributed devices2017
Optical printing guides for manually-activated printers2016
Methods and apparatus for identifying and categorizing distributed devices2015
Methods and apparatus for identifying and categorizing distributed devices2014
Methods and apparatus for identifying and categorizing distributed devices2013
Apparatus and methods for reducing the power consumption of fluorescent lights2012
Bypass fuel pressure regulator1999
Fuel tank filler neck with bypass passage1999
Keyless entry systems for use with conventional locksets1999
Fuel rail mounting clip1997
Power-managed fuel delivery system1997