Patents by Inventor Darlene Zimmerman

Darlene Zimmerman 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).

  • UNIQUE NUMBERING SYSTEM FOR RULERS, SQUARES AND TOOLS FOR BOTH RIGHT AND LEFT HANDED USERS
    Publication number: 20100223798
    Abstract: A measuring device of transparent material has a first set of numbers of uniformly increasing values from right to left with a beginning at the right and an end at the left. The numbers are aligned with lines marked at an edge of the material with inch and increment of inch spacing. The right end of the first set of numbers are located at least one-quarter of an inch from the right edge of the material. A second set of numbers of uniformly increasing values from left to right has a beginning at the left and an end at the right are aligned with the lines marked at the top edge of the material with inch and increment of inch spacing. The left end of the second set of numbers are located at least one-quarter of an inch from the left edge of the material.
    Type: Application
    Filed: November 13, 2009
    Publication date: September 9, 2010
    Inventor: Darlene Zimmerman