Granted Patent
Utility
US 6,442,301 · App. 08/999,421
Apparatus and method for defect channel nulling
Inventor:
Albert D. Edgar
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 29, 1997
Inventor
Albert D. Edgar
Assignee (at issue)
Applied Science Fiction, 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.