Granted Patent
Utility
US 4,997,393 · App. 07/328,102
Housing assembly for plug-in electrical element having blade-type terminals
Inventor:
John E. Armando
Patented Case
View Patent ↗
Granted: Mar 5, 1991
Filed: Mar 23, 1989
Inventor
John E. Armando
Assignee (at issue)
Littelfuse, 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.