Patents by Inventor Ansel Kelman

Ansel Kelman 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: 7509745
    Abstract: A tool (10)for measuring, marking, or cutting material, the tool formed of a rigid sheet of transparent material (11) having a plurality of lines formed thereon, and a transparent, non-removable, slip-resistant coating (17) applied to a working surface of the rigid sheet to resist slipping of the tool when applied to the material.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: March 31, 2009
    Assignee: Rulersmith, Inc.
    Inventors: Margaret D. Schafer, legal representative, Margaret D. Schafer, Ansel Kelman, David A. Ray, Randal D. Schafer
  • Publication number: 20070175052
    Abstract: A tool for measuring, marking, or cutting material, the tool formed of a rigid sheet of transparent material having a plurality of lines formed thereon, and a transparent, non-removable, slip-resistant coating applied to a working surface of the rigid sheet to resist slipping of the tool when applied to the material.
    Type: Application
    Filed: July 30, 2004
    Publication date: August 2, 2007
    Applicant: Rulersmith, Inc.
    Inventors: Randal Schafer, Margaret Schafer, Ansel Kelman, David Ray