Granted Patent
Utility
US 6,360,939 · App. 09/414,207
Lead-free electrical solder and method of manufacturing
Inventors:
Mohan R. Paruchuri, Dongkai Shangguan
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Oct 7, 1998
Inventors
Mohan R. Paruchuri
Dongkai Shangguan
Assignee (at issue)
Visteon Global Technologies, 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.