Granted Patent
Utility
US 5,043,599 · App. 07/412,895
CMOS differential comparator with offset voltage
Inventor:
Heinz Zitta
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Sep 26, 1989
Inventor
Heinz Zitta
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.