Patents by Inventor Peter B. Hewes

Peter B. Hewes 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).

  • Contact lens disinfecting unit
    Patent number: 4576798
    Abstract: A contact lens disinfecting unit in which the lenses are immersed in a saline solution and heated to a predetermined minimum disinfecting temperature which is maintained for a predetermined period of time. The unit has a heating system which includes a PTC thermistor as a heating element sandwiched between metal heat distribution plates, and this heating system interacts with a manually resettable thermostat to control operation of the unit.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: March 18, 1986
    Assignee: Safeway Products, Inc.
    Inventors: Henry B. Hall, Peter B. Hewes, Benjamin N. Moore, Rosario Sanzaro