Granted Patent
Utility
US 5,509,155 · App. 08/286,008
Alternating low air loss pressure overlay for patient bedside chair
Inventors:
Kevin Zigarac, Lydia B. Biggie
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Aug 4, 1994
Inventors
Kevin Zigarac
Lydia B. Biggie
Assignee (at issue)
Creative Medical, 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.