Granted Patent
Utility
US 6,648,733 · App. 09/848,894
Polishing pads and methods relating thereto
Inventors:
John V. H. Roberts, David B. James, Lee Melbourne Cook, Ronald D. Bakule
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: May 4, 2001
Inventors
John V. H. Roberts
David B. James
Lee Melbourne Cook
Ronald D. Bakule
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.