Granted Patent
Utility
US 6,425,816 · App. 09/862,734
Polishing pads and methods relating thereto
Inventors:
John V. H. Roberts, David B. James, Lee Melbourne Cook, Charles W. Jenkins
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: May 22, 2001
Inventors
John V. H. Roberts
David B. James
Lee Melbourne Cook
Charles W. Jenkins
Assignee (at issue)
Rodel Holdings, 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.