Granted Patent
Utility
US 5,688,601 · App. 08/218,010
Exterior protective layer for an electrical component
Inventors:
Douglas A. Usifer, Melvin Brauer, James Chang, Yuan C. Chu
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Mar 25, 1994
Inventors
Douglas A. Usifer
Melvin Brauer
James Chang
Yuan C. Chu
Assignee (at issue)
CasChem, 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.