Granted Patent
Utility
US 5,657,014 · App. 08/440,963
M=7 (3,7) runlength limited code for multi-level data
Inventor:
Steven W. McLaughlin
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: May 12, 1995
Inventor
Steven W. McLaughlin
Assignee (at issue)
OPTEX CO., LTD.
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.