Granted Patent
Utility
US 6,771,073 · App. 10/336,575
Microprocessor-based hand-held electrical-testing system and method
Inventors:
Dale B. Henningson, Bruce A. Purkey
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jan 3, 2003
Inventors
Dale B. Henningson
Bruce A. Purkey
Assignee (at issue)
Auto Meter Products, 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.