Granted Patent
Utility
US 6,733,678 · App. 10/086,950
Liquid substrate collector
Inventor:
Tihiro Ohkawa
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Feb 28, 2002
Inventor
Tihiro Ohkawa
Assignee (at issue)
Archimedes Technology Group, 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.