Granted Patent
Utility
US 6,188,191 · App. 09/303,912
Servo system responsive to temperature changes
Inventors:
Gregory Michael Frees, Louis J. Serrano
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: May 3, 1999
Inventors
Gregory Michael Frees
Louis J. Serrano
Assignee (at issue)
International Business Machines 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.