Granted Patent
Utility
US 5,641,176 · App. 08/414,076
Process of hydroforming tubular suspension and frame components for vehicles
Inventor:
Clark Alatalo
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Mar 31, 1995
Inventor
Clark Alatalo
Assignee (at issue)
Mascotech Tubular Products, 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.