Granted Patent
Utility
US 6,052,291 · App. 09/195,815
AC adaptor with power consumption reduction in unused state for a battery-operated electronic apparatus
Inventors:
Keiji Suzuki, Hideto Horikoshi
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Nov 19, 1998
Inventors
Keiji Suzuki
Hideto Horikoshi
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.