Granted Patent
Utility
US 5,111,085 · App. 07/043,778
Digitally controlled delay circuit
Inventor:
John W. Stewart
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Apr 29, 1987
Inventor
John W. Stewart
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.