Granted Patent
Utility
US 5,339,078 · App. 08/090,603
Digital to analog converter switch circuit
Inventor:
Scott D. Vernon
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Jul 12, 1993
Inventor
Scott D. Vernon
Assignee (at issue)
Raytheon Company
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.