Granted Patent
Utility
US 5,980,193 · App. 08/715,670
Magnetically levitated robot and method of increasing levitation force
Inventors:
David B. Clifton, Joseph F. Pinkerton
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Sep 18, 1996
Inventors
David B. Clifton
Joseph F. Pinkerton
Assignee (at issue)
Magnetic Bearing 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.