Granted Patent
Utility
US 4,280,487 · App. 06/054,837
Pulsating inflatable-deflatable pad assembly and method
Inventor:
Barry N. Jackson
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Jul 5, 1979
Inventor
Barry N. Jackson
Assignee (at issue)
American Hospital Supply Corp.
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.