Granted Patent
Utility
US 5,012,539 · App. 07/479,169
Inflatable multi-purpose medical support pillow
Inventor:
Ellen S. Grigg
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Feb 13, 1990
Inventor
Ellen S. Grigg
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.