Granted Patent
Utility
US 5,509,887 · App. 08/424,552
Apparatus for pocketed coil construction having improved tracking characteristics
Inventor:
Rusland J. Smith
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Apr 17, 1995
Inventor
Rusland 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.