Granted Patent
Utility
US 5,832,921 · App. 08/554,755
Analog heater control for medical instrument
Inventors:
George R. Lennert, William J. Murphy, John W. Stoughton, Gary T. Neel
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Nov 7, 1995
Inventors
George R. Lennert
William J. Murphy
John W. Stoughton
Gary T. Neel
Assignee (at issue)
Boehringer Mannheim GmbH
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.