Granted Patent
Utility
US 4,949,413 · App. 07/081,702
Low air loss bed
Inventor:
Vernon L. Goodwin
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Aug 3, 1987
Inventor
Vernon L. Goodwin
Assignee (at issue)
SSI Medical Services, 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.