Granted Patent
Utility
US 6,137,285 · App. 09/200,880
Electrical voltage tester
Inventors:
Dean R. Walsten, Thomas M. Luebke, David L. Wiesemann
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Nov 30, 1998
Inventors
Dean R. Walsten
Thomas M. Luebke
David L. Wiesemann
Assignee (at issue)
Applied Power 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.