Granted Patent
Utility
US 6,712,681 · App. 09/715,184
Polishing pads with polymer filled fibrous web, and methods for fabricating and using same
Inventors:
Shyng-Tsong Chen, Kenneth P. Rodbell, Oscar K. Hsu, Jean Vangsness, David S. Gilbride, Scott C. Billings, Kenneth M. Davis
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Nov 20, 2000
Inventors
Shyng-Tsong Chen
Kenneth P. Rodbell
Oscar K. Hsu
Jean Vangsness
David S. Gilbride
Scott C. Billings
Kenneth M. Davis
Assignee (at issue)
International Business Machines Corporation
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.