Granted Patent
Utility
US 5,835,331 · App. 08/984,204
Half-wave drive circuit for meter disconnect switch
Inventor:
Kenneth C. Shuey
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Dec 3, 1997
Inventor
Kenneth C. Shuey
Assignee (at issue)
ABB Power T&D Company 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.