Granted Patent
Utility
US 4,594,493 · App. 06/517,190
Method and apparatus for forming ball bonds
Inventors:
Shane Harrah, William S. Phy
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Jul 25, 1983
Inventors
Shane Harrah
William S. Phy
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.