Patents by Inventor William E. Ferra

William E. Ferra 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).

  • Compact color-coded folding map
    Patent number: 5160170
    Abstract: A map folded into a small handy package is arranged to be unfold in different sized section showing areas of interest around a specific location, a hotel or a motel, etc., with each section enlarging the map area radiating out from the specific location. Colored edge strips make finding map areas easy and provide a color aligning of edges to prevent improper folding the map from fully unfolded back to a small handy package.
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: November 3, 1992
    Inventor: William E. Ferra