Granted Patent
Utility
US 6,740,540 · App. 10/170,664
Fabrication method for circuit board
Inventors:
Chung-Che Tsai, Jin-Chuan Bai
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jun 12, 2002
Inventors
Chung-Che Tsai
Jin-Chuan Bai
Assignee (at issue)
Ultratera 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.