Granted Patent
Utility
US 5,155,881 · App. 07/809,879
Adjustable bed with wire grid mattress support
Inventor:
G. Scott Lafferty
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Dec 17, 1991
Inventor
G. Scott Lafferty
Assignee (at issue)
Batts, 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.