Granted Patent
Utility
US 5,863,493 · App. 08/771,351
Lead-free solder compositions
Inventors:
Achyuta Achari, Mohan R. Paruchuri, Dongkai Shangguan
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Dec 16, 1996
Inventors
Achyuta Achari
Mohan R. Paruchuri
Dongkai Shangguan
Assignee (at issue)
Ford Motor Company
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.