Granted Patent
Utility
US 4,236,336 · App. 05/973,363
Notions display heading for perforated board
Inventor:
Robert Strom
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Dec 26, 1978
Inventor
Robert Strom
Assignee (at issue)
Textron 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.