Granted Patent
Utility
US 6,604,988 · App. 10/252,149
Polishing apparatus and method with belt drive system adapted to extend the lifetime of a refreshing polishing belt provided therein
Inventors:
Homayoun Talieh, Konstantin Volodarsky, Jalal Ashjaee, Douglas W. Young
Patented Case
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Granted: Aug 12, 2003
Filed: Sep 20, 2002
Inventors
Homayoun Talieh
Konstantin Volodarsky
Jalal Ashjaee
Douglas W. Young
Assignee (at issue)
Nutool, 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.