Granted Patent
Utility
US 5,766,368 · App. 08/813,267
Integrated circuit chip module cleaning using a carbon dioxide jet spray
Inventor:
Charles W. Bowers
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Feb 14, 1997
Inventor
Charles W. Bowers
Assignee (at issue)
Eco-Snow 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.