Granted Patent
Utility
US 5,280,135 · App. 07/742,743
Outdoor electrical outlet cover
Inventors:
Donald M. Berlin, Jr., Julius R. Rosenski
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Aug 9, 1991
Inventors
Donald M. Berlin, Jr.
Julius R. Rosenski
Assignee (at issue)
Intermatic Incorporated
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.