Granted Patent
Utility
US 5,951,369 · App. 09/226,326
System for magnetorheological finishing of substrates
Inventors:
William Kordonski, Donald Golini, Stephen Hogan, Paul DUMAS
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Jan 6, 1999
Inventors
William Kordonski
Donald Golini
Stephen Hogan
Paul DUMAS
Assignee (at issue)
QED Technologies, 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.