Granted Patent
Utility
US 4,678,716 · App. 06/762,962
Electromagnetic shielding
Inventor:
Wen-Shian V. Tzeng
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Aug 6, 1985
Inventor
Wen-Shian V. Tzeng
Assignee (at issue)
Chomerics, Inc.
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.