Granted Patent
Utility
US 5,917,840 · App. 07/851,977
Protection against communications crosstalk in a factory process control system
Inventors:
M. Charles Cheney, Simon Korowitz, William M. Slechta, Nathan H. Tobol
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Mar 13, 1992
Inventors
M. Charles Cheney
Simon Korowitz
William M. Slechta
Nathan H. Tobol
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.