Granted Patent
Utility
US 5,644,175 · App. 08/412,067
Static switch method and apparatus
Inventor:
James M. Galm
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Mar 28, 1995
Inventor
James M. Galm
Assignee (at issue)
Cyberex, 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.