Granted Patent
Utility
US 5,853,300 · App. 08/656,774
Watthour socket adapter with improved electrical connections
Inventors:
Darrell Robinson, Robert O. Learmont, Karl R. Loehr, Allen V. Pruehs, Keith C. Dropiewski
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Jun 3, 1996
Inventors
Darrell Robinson
Robert O. Learmont
Karl R. Loehr
Allen V. Pruehs
Keith C. Dropiewski
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.