Granted Patent
Utility
US 5,563,782 · App. 08/337,591
Wall outlet with direct current output
Inventors:
Dao-Long Chen, Daniel L. Ellsworth
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Nov 10, 1994
Inventors
Dao-Long Chen
Daniel L. Ellsworth
Assignees (at issue)
AT&T Global Information Solutions Company
Hyundai Electronics America
Symbios Logic 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.