Patents by Inventor Charles M. Ricks

Charles M. Ricks 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: 4567703
    Abstract: A manually-actuated pressure-equalization system for a double-glazed, hermetically-sealed window assembly comprising a spring-biased push-button valve installed in one of the glass panes. When actuated the valve provides an air passageway coupling the interior airspace between the two panes to the ambient air so as to equalize any air pressure differential therebetween.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: February 4, 1986
    Inventor: Charles M. Ricks