Granted Patent
Utility
US 4,978,925 · App. 07/356,311
Unity-gain CMOS/SOS zero-offset buffer
Inventor:
Andrew G. F. Dingwall
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: May 24, 1989
Inventor
Andrew G. F. Dingwall
Assignee (at issue)
HARRIS 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.