Granted Patent
Utility
US 6,021,052 · App. 08/934,994
DC/AC power converter
Inventors:
Thomas Michael Unger, Haakon MacCallum, Douglas Manness
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Sep 22, 1997
Inventors
Thomas Michael Unger
Haakon MacCallum
Douglas Manness
Assignee (at issue)
Statpower Technologies Partnership
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.