Granted Patent
Utility
US 5,877,618 · App. 08/903,575
Hand held non-contact voltage tester
Inventors:
Thomas M. Luebke, David L. Wiesemann
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Jul 31, 1997
Inventors
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.