Granted Patent
Utility
US 5,992,749 · App. 08/806,402
Data symbol reader
Inventor:
Shuzo Seo
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Feb 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.