Granted Patent
Utility
US 5,507,428 · App. 08/381,682
Self-locking box
Inventors:
H. English Robinson, Jr., M. Lee Jones
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Jan 27, 1995
Inventors
H. English Robinson, Jr.
M. Lee Jones
Assignee (at issue)
Why Wrap? 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.