Granted Patent
Utility
US 4,771,880 · App. 06/839,944
Belt storage unit
Inventor:
Dennis Mraz
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Mar 17, 1986
Inventor
Dennis Mraz
Assignee (at issue)
DM Enterprises, 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.