Granted Patent
Utility
US 4,390,771 · App. 06/262,595
Bonding wire ball forming method and apparatus
Inventors:
John A. Kurtz, Donald E. Cousens
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: May 11, 1981
Inventors
John A. Kurtz
Donald E. Cousens
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.