Granted Patent
Utility
US 5,285,077 · App. 08/025,561
Magnetic recording media differentiation system and method with color sensors
Inventor:
Ronald F. Hales
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Mar 2, 1993
Inventor
Ronald F. Hales
Assignee (at issue)
IO-Mega Holding 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.