Granted Patent
Utility
US 5,601,338 · App. 08/408,942
Seat structure with adjustable suspension
Inventor:
Robert J. Wahls
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Mar 23, 1995
Inventor
Robert J. Wahls
Assignee (at issue)
Michigan Seat Company
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.