Granted Patent
Utility
US 4,131,198 · App. 05/835,152
Light bulb package
Inventor:
Edward F. Fischer
Patented Case
View Patent ↗
Granted: Dec 26, 1978
Filed: Sep 21, 1977
Inventor
Edward F. Fischer
Assignee (at issue)
Federal Paper Board Co., 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.