Granted Patent
Utility
US 5,226,818 · App. 07/796,938
Firefighter training system with thermal agent detection
Inventors:
Douglas H. Feiock, Mark R. Layton, Lester Smith, Ramon L. Palmer, Jr.
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Nov 25, 1991
Inventors
Douglas H. Feiock
Mark R. Layton
Lester Smith
Ramon L. Palmer, Jr.
Assignee (at issue)
AAI Corporation
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.