Granted Patent
Utility
US 4,625,477 · App. 06/808,765
Display wall formed of readily attachable and detachable panels
Inventor:
George S. Johnstonbaugh
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Dec 13, 1985
Inventor
George S. Johnstonbaugh
Assignee (at issue)
Masonite Corporation
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.