Granted Patent
Utility
US 4,150,331 · App. 05/820,233
Signature encoding for integrated circuits
Inventor:
William A. Lacher
Patented Case
View Patent ↗
Granted: Apr 17, 1979
Filed: Jul 29, 1977
Inventor
William A. Lacher
Assignee (at issue)
Burroughs, Inc.
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.