Granted Patent
Utility
US 6,099,394 · App. 09/049,864
Polishing system having a multi-phase polishing substrate and methods relating thereto
Inventors:
David B. James, William D. Budinger, John V. H. Roberts, Michael R. Oliver, Nina G. Chechik, Richard M. Levering, Jr.
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Mar 27, 1998
Inventors
David B. James
William D. Budinger
John V. H. Roberts
Michael R. Oliver
Nina G. Chechik
Richard M. Levering, Jr.
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.