Granted Patent
Utility
US 5,111,072 · App. 07/574,176
Sample-and-hold switch with low on resistance and reduced charge injection
Inventor:
Durbin L. Seidel
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Aug 29, 1990
Inventor
Durbin L. Seidel
Assignee (at issue)
NCR 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.