Granted Patent
Utility
US 6,721,982 · App. 10/106,001
Quilt-stitched internal mattress pillows
Inventor:
William Freeman
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Mar 25, 2002
Inventor
William Freeman
Assignee (at issue)
SEALY TECHNOLOGY 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.