Granted Patent
Utility
US 5,255,798 · App. 07/927,095
Adjustable suspension system for hanging folders and package therefor
Inventors:
Eric Aaldenberg, Andrew Wertheim, Theodore V. Kachel, Jonathan B. Rivlin
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Aug 7, 1992
Inventors
Eric Aaldenberg
Andrew Wertheim
Theodore V. Kachel
Jonathan B. Rivlin
Assignee (at issue)
Esselte Pendaflex Corporation
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.