Granted Patent
Utility
US 6,348,819 · App. 09/497,003
Driving circuit for a semiconductor switching element
Inventors:
Hendrik Ten Pierick, Dirk J. A. Teuling, Friedrich Hahn, Gianlorenzo Paoletti
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Feb 2, 2000
Inventors
Hendrik Ten Pierick
Dirk J. A. Teuling
Friedrich Hahn
Gianlorenzo Paoletti
Assignee (at issue)
U.S. Philips 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.