Granted Patent
Utility
US 5,684,451 · App. 08/529,321
Communication system and method
Inventors:
Stephen G. Seberger, Bruce F. Grumstrup, George W. Gassman
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Sep 18, 1995
Inventors
Stephen G. Seberger
Bruce F. Grumstrup
George W. Gassman
Assignee (at issue)
Fisher Controls International LLC
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.