Granted Patent
Utility
US 4,336,417 · App. 06/166,328
Cover assemblies for electrical apparatus
Inventor:
David J. Hickling
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jul 7, 1980
Inventor
David J. Hickling
Assignee (at issue)
Plessey Handel Und Investments AG
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.