Granted Patent
Utility
US 6,722,249 · App. 10/011,358
Method of fabricating a polishing pad having an optical window
Inventor:
Kyle W. David
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Nov 6, 2001
Inventor
Kyle W. David
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.