Granted Patent
Utility
US 5,742,871 · App. 08/706,097
High duty cycle sawtooth AC charger
Inventors:
John W. May, Martin J. Pernesky
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Aug 30, 1996
Inventors
John W. May
Martin J. Pernesky
Assignee (at issue)
EASTMAN KODAK COMPANY
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.