Granted Patent
Utility
US 6,697,955 · App. 09/620,087
Method and apparatus for using an energy reserve to provide voltage to a power factor correction circuit in the event of a power interuption
Inventors:
Randhir S. Malik, William Hemena
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jul 20, 2000
Inventors
Randhir S. Malik
William Hemena
Assignee (at issue)
International Business Machines 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.