Granted Patent
Utility
US 5,894,002 · App. 08/824,592
Process and apparatus for the manufacture of a contact lens
Inventors:
Karlheinz Boneberger, Lothar Haase, Horst Schafer, Werner Steffan, Peter Zang
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Mar 26, 1997
Inventors
Karlheinz Boneberger
Lothar Haase
Horst Schafer
Werner Steffan
Peter Zang
Assignee (at issue)
CIBA Vision Corporation
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.