Granted Patent
Utility
US 4,463,148 · App. 06/490,209
Contact lens and compositions
Inventors:
Peter Hofer, Ulrich Muller, Manfred Barenz, Horst Schafer, WOLFGANG GEORG KONRAD MÜLLER-LIERHEIM
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: May 6, 1983
Inventors
Peter Hofer
Ulrich Muller
Manfred Barenz
Horst Schafer
WOLFGANG GEORG KONRAD MÜLLER-LIERHEIM
Assignee (at issue)
Titmus Eurocon Kontaktlinsen GmbH & Co. KG.
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.