Granted Patent
Utility
US 4,775,128 · App. 07/054,368
Copy holder
Inventor:
Mel Evenson
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: May 26, 1987
Inventor
Mel Evenson
Assignee (at issue)
Eldon Industries, 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.