Granted Patent
Utility
US 6,602,110 · App. 09/894,477
Automated polishing apparatus and method of polishing
Inventors:
Allen Y. Yi, Tomasz A. Pol, Michael Hezlep
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jun 28, 2001
Inventors
Allen Y. Yi
Tomasz A. Pol
Michael Hezlep
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.