Granted Patent
Utility
US 5,787,532 · App. 08/726,028
Internal mattress wall structures interlockingly engageable with mattress innerspring assemblies
Inventors:
Paul J. Langer, Robert F. Wagner
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Oct 4, 1996
Inventors
Paul J. Langer
Robert F. Wagner
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.