Granted Patent
Utility
US 6,602,579 · App. 09/758,018
Cushion
Inventor:
Dag Landvik
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jan 10, 2001
Inventor
Dag Landvik
Assignee (at issue)
TEMPUR WORLD, 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.