Granted Patent
Utility
US 5,293,121 · App. 07/957,964
Isolated current monitoring circuit for measuring direct and high duty factor currents
Inventor:
Earl M. Estes, Jr.
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Oct 8, 1992
Inventor
Earl M. Estes, Jr.
Assignee (at issue)
Hughes Aircraft Company
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.