Granted Patent
Utility
US 5,186,435 · App. 07/637,290
Apparatus for compressing a spring
Inventor:
Ruslon J. Smith
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Jan 3, 1991
Inventor
Ruslon J. Smith
Assignee (at issue)
Simmons Holding 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.