Granted Patent
Utility
US 4,863,517 · App. 07/255,301
Via fill ink composition for integrated circuits
Inventors:
Kenneth Warren Hang, Ashok N. Prabhu
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Oct 11, 1988
Inventors
Kenneth Warren Hang
Ashok N. Prabhu
Assignee (at issue)
General Electric Company
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.