Granted Patent
Utility
US 6,368,200 · App. 09/516,836
Polishing pads from closed-cell elastomer foam
Inventors:
Sailesh Mansinh Merchant, Sudhanshu Misra, Pradip K. Roy
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Mar 2, 2000
Inventors
Sailesh Mansinh Merchant
Sudhanshu Misra
Pradip K. Roy
Assignee (at issue)
Agere Systems Guardian 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.