Granted Patent
Utility
US 6,348,802 · App. 09/290,474
Device for enhancing contact checking
Inventor:
Peter Cooke
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Apr 12, 1999
Inventor
Peter Cooke
Assignee (at issue)
Electro Scientific Industries, 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.