Granted Patent
Utility
US 5,609,331 · App. 08/523,668
Torsion spring adjustment apparatus
Inventors:
Scott T. Hoag, Arnold Cooper
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Sep 5, 1995
Inventors
Scott T. Hoag
Arnold Cooper
Assignee (at issue)
Ford Motor 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.