Granted Patent
Utility
US 5,266,033 · App. 07/864,316
Fire fighting trainer having foam detector
Inventors:
William E. Rogers, James J. Ernst, Steven Williamson, Dominick J. Musto
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Apr 6, 1992
Inventors
William E. Rogers
James J. Ernst
Steven Williamson
Dominick J. Musto
Assignee (at issue)
Symtron Systems, 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.