Granted Patent
Utility
US 6,442,780 · App. 09/522,145
Mattress with semi-independent pressure relieving pillars
Inventors:
Bruce Phillips, Blane Sanders
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Mar 9, 2000
Inventors
Bruce Phillips
Blane Sanders
Assignee (at issue)
KCI Licensing, Inc.
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.