Granted Patent
Utility
US 6,329,604 · App. 09/635,175
Multilayer printed circuit board
Inventor:
Kenji Koya
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Aug 9, 2000
Inventor
Kenji Koya
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.