Granted Patent
Utility
US 5,449,313 · App. 08/071,813
Magnetorheological polishing devices and methods
Inventors:
William I. Kordonsky, Igor Victorovich Prokhorov, Sergei Gorodkin, Gennadii Rafailovich Gorodkin, Leonid K. Gleb, Bronislav E. Kashevsky
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Jun 4, 1993
Inventors
William I. Kordonsky
Igor Victorovich Prokhorov
Sergei Gorodkin
Gennadii Rafailovich Gorodkin
Leonid K. Gleb
Bronislav E. Kashevsky
Assignee (at issue)
Byelocorp Scientific, 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.