Granted Patent
Utility
US 4,807,750 · App. 07/114,420
Latching structure for contact lens holder
Inventors:
Francis E. Ryder, Rowland W. Kanner
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Oct 28, 1987
Inventors
Francis E. Ryder
Rowland W. Kanner
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.