Granted Patent
Utility
US 5,640,317 · App. 08/490,593
High voltage start-up circuit and method therefor
Inventor:
Jimes Lei
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Jun 15, 1995
Inventor
Jimes Lei
Assignee (at issue)
Supertax, 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.