Granted Patent
Utility
US 4,778,097 · App. 06/938,178
Ultrasonic wire bonding tool
Inventor:
John Hauser
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Dec 4, 1986
Inventor
John Hauser
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.