Granted Patent
Utility
US 4,893,315 · App. 07/348,918
Calorimetry system
Inventors:
John C. Homer, Shahriar Nowshiravani, Steven L. Ross, Gilbert Lutz
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: May 8, 1989
Inventors
John C. Homer
Shahriar Nowshiravani
Steven L. Ross
Gilbert Lutz
Assignee (at issue)
Federal Signal 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.