Granted Patent
Utility
US 6,663,422 · App. 10/047,722
Jaw blades and jaw blade couplers for watthour meter socket adapter
Inventors:
Darrell Robinson, Allen V. Pruehs
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Jan 14, 2002
Inventors
Darrell Robinson
Allen V. Pruehs
Assignee (at issue)
Ekstrom Industries, 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.