Granted Patent
Utility
US 5,249,239 · App. 07/729,921
Means for measuring coplanarity of leads on an IC package
Inventor:
Tomoyuki Kida
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Jul 15, 1991
Inventor
Tomoyuki Kida
Assignee (at issue)
NEC CORPORATION
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.