Granted Patent
Utility
US 6,676,483 · App. 10/357,024
Anti-scattering layer for polishing pad windows
Inventor:
John V. H. Roberts
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Feb 3, 2003
Inventor
John V. H. Roberts
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.