Granted Patent
Utility
US 4,858,754 · App. 07/203,275
Molding apparatus and construction of contact lens case
Inventors:
David W. Wright, Richard Rabenau
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Jun 7, 1988
Inventors
David W. Wright
Richard Rabenau
Assignee (at issue)
RYDER INTERNATIONAL CO., LTD.
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.