Granted Patent
Utility
US 4,983,124 · App. 07/387,348
Fire fighting trainer
Inventors:
James J. Ernst, Steven Williamson, George Rogers, Dominick J. Musto
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Aug 9, 1989
Inventors
James J. Ernst
Steven Williamson
George Rogers
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.