Granted Patent
Utility
US 5,421,477 · App. 08/241,614
Ergonomic container case
Inventor:
Roy Hammett
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: May 11, 1994
Inventor
Roy Hammett
Assignee (at issue)
International Container Systems, 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.