Granted Patent
Utility
US 5,115,151 · App. 07/535,177
Triple comparator circuit
Inventors:
Richard W. Hull, Timothy G. O'Shaughnessy
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Jun 8, 1990
Inventors
Richard W. Hull
Timothy G. O'Shaughnessy
Assignee (at issue)
Western Digital
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.