Granted Patent
Utility
US 5,835,301 · App. 08/320,630
Multi-track helical scanning system
Inventor:
Ki Hoon Shin
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Oct 11, 1994
Inventor
Ki Hoon Shin
Assignee (at issue)
Daewoo Electronics 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.