Granted Patent
Utility
US 5,989,355 · App. 08/805,510
Apparatus for cleaning and testing precision components of hard drives and the like
Inventors:
Werner V. Brandt, Charles W. Bowers
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Feb 26, 1997
Inventors
Werner V. Brandt
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.