Granted Patent
Utility
US 6,834,809 · App. 10/689,674
Card processor
Inventor:
Yasushi Ogushi
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Oct 22, 2003
Inventor
Yasushi Ogushi
Assignee (at issue)
OMRON CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.