Granted Patent
Utility
US 4,846,584 · App. 07/134,392
Automated calorimeter and methods of operating the same
Inventors:
Robert Burch, Joseph M. Gravelle
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Dec 17, 1987
Inventors
Robert Burch
Joseph M. Gravelle
Assignee (at issue)
Pennwalt 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.