Granted Patent
Utility
US 6,098,767 · App. 08/990,506
Cushion for crash attenuation system
Inventor:
Albert W. Unrath
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Dec 15, 1997
Inventor
Albert W. Unrath
Assignee (at issue)
Albert W. Unrath, 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.