Granted Patent
Utility
US 6,501,364 · App. 09/883,145
Planar printed-circuit-board transformers with effective electromagnetic interference (EMI) shielding
Inventors:
Ron Shu Yuen Hui, Sai Chun Tang
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jun 15, 2001
Inventors
Ron Shu Yuen Hui
Sai Chun Tang
Assignee (at issue)
CITY UNIVERSITY OF HONG KONG
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.