Granted Patent
Utility
US 6,266,260 · App. 09/653,383
Inverter having center switch and uninterruptible power supply implementing same
Inventors:
Donald K. Zahrte, Sr., David L. Layden, Frederick A. Stich, Douglas C. Folts
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Sep 1, 2000
Inventors
Donald K. Zahrte, Sr.
David L. Layden
Frederick A. Stich
Douglas C. Folts
Assignee (at issue)
Powerware 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.