Granted Patent
Utility
US 5,730,932 · App. 08/612,614
Lead-free, tin-based multi-component solder alloys
Inventors:
Amit K. Sarkhel, Charles G. Woychik
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Mar 6, 1996
Inventors
Amit K. Sarkhel
Charles G. Woychik
Assignee (at issue)
International Business Machines Corporation
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.