Granted Patent
Utility
US 4,788,456 · App. 07/077,746
Variable threshold for rate volume monitor
Inventors:
Robert Urman, Alfred G. Brisson, Christopher Nowacki
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Jul 27, 1987
Inventors
Robert Urman
Alfred G. Brisson
Christopher Nowacki
Assignee (at issue)
Trutek Research, Inc.
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.