Granted Patent
Utility
US 5,693,239 · App. 08/541,898
Polishing slurries comprising two abrasive components and methods for their use
Inventors:
Jiun-Fang Wang, Anantha R. Sethuraman, Huey-Ming Wang, Lee Melbourne Cook
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Oct 10, 1995
Inventors
Jiun-Fang Wang
Anantha R. Sethuraman
Huey-Ming Wang
Lee Melbourne Cook
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.