Granted Patent
Utility
US 5,343,073 · App. 08/001,014
Lead frames having a chromium and zinc alloy coating
Inventors:
Arvind Parthasarathi, Deepak Mahulikar
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Jan 6, 1993
Inventors
Arvind Parthasarathi
Deepak Mahulikar
Assignee (at issue)
Olin 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.