Granted Patent
Utility
US 5,713,088 · App. 08/835,544
Innerspring construction with springs having free terminal convolutions
Inventors:
Robert F. Wagner, Barry William Freeman, Paul J. Langer
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Apr 8, 1997
Inventors
Robert F. Wagner
Barry William Freeman
Paul J. Langer
Assignee (at issue)
Ohio Mattress Company Licensing and Components Group
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.