Granted Patent
Utility
US 4,908,024 · App. 07/188,331
Ocular self-treatment apparatus and method
Inventor:
Daniel Py
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: May 4, 1988
Inventor
Daniel Py
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.