Granted Patent
Utility
US 6,752,652 · App. 10/405,522
Watthour meter socket adapter
Inventor:
Darrell Robinson
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Apr 2, 2003
Inventor
Darrell Robinson
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.