Patents by Inventor Brian L. Goldwitz

Brian L. Goldwitz 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: 4993093
    Abstract: By providing a utility knife with an elongated slot which is formed in the housing thereof and longitudinally extends in the same plane as the cutting blade, a multipurpose utility knife is achieved which is capable of being cooperatingly employed with any conventional flexible ruler or measuring tape for attaining precise measurements for accurate blade cutting. By employing the present invention, the angled tip or leader of a conventional flexible ruler is securely retained within the elongated slot, thereby enabling accurate, directly measured positioning of the blade for cutting.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: February 19, 1991
    Inventor: Brian L. Goldwitz
  • Patent number: D409310
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: May 4, 1999
    Inventor: Brian L. Goldwitz
  • Patent number: D414564
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: September 28, 1999
    Inventor: Brian L. Goldwitz