Patents by Inventor Anthony E. Krane

Anthony E. Krane 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).

  • Linear scale
    Patent number: 5487223
    Abstract: A scale, such as a tape measure, is provided with a plurality of slots corresponding to graduations on the scale. The slots are alternatingly located on opposed edges of the scale, and edges of each slot are collinear with edges of opposing slots. When measuring a distance to a line or a point, the line or point will appear in only one of the slots. The slots are tapered to a point at a specific graduation.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: January 30, 1996
    Inventor: Anthony E. Krane