Granted Patent
Utility
US 5,243,227 · App. 07/786,459
Fine/coarse wired-or tapped delay line
Inventors:
Alberto Gutierrez, Christopher Koerner
Patented Case
View Patent ↗
Granted: Sep 7, 1993
Filed: Nov 1, 1991
Inventors
Alberto Gutierrez
Christopher Koerner
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.