Granted Patent
Utility
US 5,739,178 · App. 08/440,579
Polymer, article and method for inhibiting the growth of ocular pathogens in eye care products
Inventors:
Charles Hayes Powell, David C. Rupp
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: May 15, 1995
Inventors
Charles Hayes Powell
David C. Rupp
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.