Granted Patent
Utility
US 5,793,575 · App. 08/777,448
Rotary transformer for a video cassette recorder having a stator and a rotor equipped with coils
Inventor:
Keum-Mo Kim
Patented Case
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Granted: Aug 11, 1998
Filed: Dec 30, 1996
Inventor
Keum-Mo Kim
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.