Granted Patent
Utility
US 5,281,281 · App. 08/014,203
No-clean, low-residue, volatile organic compound free soldering flux and method of use
Inventor:
Krystyna Stefanowski
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Feb 5, 1993
Inventor
Krystyna Stefanowski
Assignee (at issue)
Litton 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.