Granted Patent
Utility
US 5,134,574 · App. 07/485,698
Performance control apparatus and method in a processing plant
Inventors:
Malcolm C. Beaverstock, Peter Martin
Patented Case
View Patent ↗
Granted: Jul 28, 1992
Filed: Feb 27, 1990
Inventors
Malcolm C. Beaverstock
Peter Martin
Assignee (at issue)
Fox Boro Company
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.