Granted Patent
Utility
US 5,625,543 · App. 08/317,504
Power converter with harmonic neutralization
Inventor:
Alfred H. Barrett
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Oct 4, 1994
Inventor
Alfred H. Barrett
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.