Patents by Inventor John Cas Czelen

John Cas Czelen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4036357
    Abstract: A fluid-tight contact lens storage and carrying case of small size of polyethylene or plastic-like material, preferably clear or of translucent color, allows contact lenses to be conveniently stored when not being worn, and provides a pocket and/or hand-bag carrying and/or overnight storage case therefor, and further provides for a fluid reservoir allowing dispensing of wetting/cleaning fluid to the contact lens prior to insertion in the eye or storage in the case. The case as normally used comprises only one functional unit, but may be disassembled for initial filling or replenishing of the fluid reservoir.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: July 19, 1977
    Inventor: John Cas Czelen