Granted Patent
Utility
US 6,494,248 · App. 09/617,402
Suspended materials having external slits
Inventor:
David Zahner
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jul 17, 2000
Inventor
David Zahner
Assignee (at issue)
Zahner Design Group, Ltd.
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.