Granted Patent
Utility
US 6,561,419 · App. 09/427,649
Magnetic code reading device and magnetic code reading method
Inventors:
Yoshiyuki Koizumi, Shingo Watanabe, Kazunori Matsumoto
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Oct 27, 1999
Inventors
Yoshiyuki Koizumi
Shingo Watanabe
Kazunori Matsumoto
Assignee (at issue)
NCR 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.