Granted Patent
Utility
US 6,459,790 · App. 09/385,223
System and method for selective filter isolation
Inventors:
Christopher Q. Eckert, John C. Honeycutt
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Aug 27, 1999
Inventors
Christopher Q. Eckert
John C. Honeycutt
Assignee (at issue)
Efficient Networks, 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.