Granted Patent
Utility
US 4,736,872 · App. 07/094,098
Disposable tint pack assembly for contact lens tinting
Inventors:
Francis E. Ryder, Rowland W. Kanner, Richard Rabenau
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Sep 4, 1987
Inventors
Francis E. Ryder
Rowland W. Kanner
Richard Rabenau
Assignee (at issue)
National Patent Development 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.