Granted Patent
Utility
US 4,899,405 · App. 07/332,515
Orthopedic pillow
Inventor:
Michael Rothbard
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Mar 31, 1989
Inventor
Michael Rothbard
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.