Granted Patent
Utility
US 5,990,499 · App. 09/163,599
Integrated semiconductor circuit
Inventors:
Werner Kuhlmann, Norbert Stath, Hans-Ludwig Althaus, Werner Spath
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Sep 28, 1998
Inventors
Werner Kuhlmann
Norbert Stath
Hans-Ludwig Althaus
Werner Spath
Assignee (at issue)
Siemens Aktiengesellschaft
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.