Granted Patent
Utility
US 5,243,308 · App. 07/863,578
Combined differential-mode and common-mode noise filter
Inventors:
Boris I. Shusterman, Robert A. Curtis
Patented Case
View Patent ↗
Granted: Sep 7, 1993
Filed: Apr 3, 1992
Inventors
Boris I. Shusterman
Robert A. Curtis
Assignee (at issue)
Digital Equipment 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.