Granted Patent
Utility
US 5,753,800 · App. 08/784,779
Smoke generating apparatus for in situ exhaust leak detection
Inventor:
Leslie Gilliam
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Jan 16, 1997
Inventor
Leslie Gilliam
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.