Granted Patent
Utility
US 6,561,891 · App. 09/862,221
Eliminating air pockets under a polished pad
Inventors:
Stanley E. Eppert, Jr., Adam W. Manzonie, Peter W. Freeman, Elizabeth A. (Kegerise) Langlois
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: May 22, 2001
Inventors
Stanley E. Eppert, Jr.
Adam W. Manzonie
Peter W. Freeman
Elizabeth A. (Kegerise) Langlois
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.