Granted Patent
Utility
US 5,400,992 · App. 08/135,159
Signage clamp for retail display racks
Inventor:
Karl-Heinz Pohl
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Oct 12, 1993
Inventor
Karl-Heinz Pohl
Assignee (at issue)
Glynn Company, 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.