Granted Patent
Utility
US 5,443,653 · App. 08/252,471
System for cleaning contaminants from small areas with minimal incontained waste
Inventor:
Sean Riley
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Jun 1, 1994
Inventor
Sean Riley
Assignee (at issue)
Hughes Missile Systems Company
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.