Granted Patent
Utility
US 5,469,796 · App. 08/024,939
Multi-layer panels for modular vault structure
Inventor:
Donald Koenig
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Mar 2, 1993
Inventor
Donald Koenig
Assignee (at issue)
Mosler, 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.