Granted Patent
Utility
US 6,533,764 · App. 09/707,006
Twist housing apparatus for instilling a medication into an eye
Inventors:
David S. Haffner, Patrick A. Myall, Bill Evans
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Nov 6, 2000
Inventors
David S. Haffner
Patrick A. Myall
Bill Evans
Assignee (at issue)
Allergan, 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.