Granted Patent
Utility
US 5,160,855 · App. 07/850,248
Floating-well CMOS output driver
Inventor:
Daniel W. Dobberpuhl
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Mar 11, 1992
Inventor
Daniel W. Dobberpuhl
Assignee (at issue)
Digital Equipment 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.