Granted Patent
Utility
US 5,087,392 · App. 07/490,821
Method of mold contact lenses
Inventors:
William J. Burke, Lisa A. Folk, Donald J. Ratkowski
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Mar 7, 1990
Inventors
William J. Burke
Lisa A. Folk
Donald J. Ratkowski
Assignee (at issue)
Sola USA, 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.