Granted Patent
Utility
US 6,759,378 · App. 10/220,232
Agent for cleaning
Inventors:
Kjell Karlsson, Hans Magnusson
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Aug 27, 2002
Inventors
Kjell Karlsson
Hans Magnusson
Assignee (at issue)
Stripp Chemicals AB
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.