Granted Patent
Utility
US 5,331,536 · App. 07/972,150
Low leakage high current transformer
Inventor:
William Lane
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Nov 5, 1992
Inventor
William Lane
Assignee (at issue)
OPT Industries, Inc.
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.