Granted Patent
Utility
US 6,039,255 · App. 08/917,469
Data symbol reading apparatus
Inventor:
Shuzo Seo
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Aug 26, 1997
Inventor
Shuzo Seo
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.