Granted Patent
Utility
US 5,111,174 · App. 07/555,041
Shielded high frequency power transformer
Inventor:
J. Stanley Kriz
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Jul 16, 1990
Inventor
J. Stanley Kriz
Assignee (at issue)
AVP/Megascan
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.