Granted Patent
Utility
US 6,588,778 · App. 09/549,796
One piece trailing arm for torsional springs
Inventor:
Ronald J. McLaughlin
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Apr 14, 2000
Inventor
Ronald J. McLaughlin
Assignee (at issue)
The Pullman Company LLC
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.