Granted Patent
Utility
US 6,717,070 · App. 09/899,156
Printed wiring board having via and method of manufacturing the same
Inventor:
Nagahisa Watanabe
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jul 6, 2001
Inventor
Nagahisa Watanabe
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.