Granted Patent
Utility
US 4,677,370 · App. 06/793,194
Method of testing wire bonds for defects using a magnetic field
Inventors:
Jerry Ihor Tustaniwskyj, Philip D. Corey
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Oct 31, 1985
Inventors
Jerry Ihor Tustaniwskyj
Philip D. Corey
Assignee (at issue)
Unisys 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.