Patents by Inventor Gerald Ritz

Gerald Ritz 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).

  • Method of making knobs and handles
    Patent number: 4542574
    Abstract: In the making of knobs, pulls or handles such as used on cabinets or furniture, a stock is created by casting a rod, bar or block of a suitable synthetic resin and, preferably, incorporating into the stock during the casting a pattern of various colors and configurations. The resulting stock is then machined to the final shape of the product and polished to the desired surface texture.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: September 24, 1985
    Inventor: Gerald Ritz