Granted Patent
Utility
US 4,869,423 · App. 07/243,962
Panel interlocking arrangement
Inventor:
Philippe Marie
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Sep 14, 1988
Inventor
Philippe Marie
Assignee (at issue)
The Mead 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.