Granted Patent
Utility
US 6,168,974 · App. 09/499,963
Process of mounting spring contacts to semiconductor devices
Inventors:
Sung Chul Chang, Igor Y. Khandros, William D. Smith
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Feb 8, 2000
Inventors
Sung Chul Chang
Igor Y. Khandros
William D. Smith
Assignee (at issue)
FormFactor, Inc.
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.