Granted Patent
Utility
US 6,715,173 · App. 09/792,135
Modular sleep systems with friction-secured comfort unit
Inventors:
Bruce G. Barman, William Freeman, David Crist
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Feb 22, 2001
Inventors
Bruce G. Barman
William Freeman
David Crist
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.