Granted Patent
Utility
US 5,521,789 · App. 08/213,661
BICMOS electrostatic discharge protection circuit
Inventors:
James R. Ohannes, Stephen W. Clukey, E. David Haacke, Roy L. Yarbrough
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Mar 15, 1994
Inventors
James R. Ohannes
Stephen W. Clukey
E. David Haacke
Roy L. Yarbrough
Assignee (at issue)
NATIONAL SEMICONDUCTOR 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.