Patents by Inventor Shan E. Harter

Shan E. Harter 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).

  • Door viewer plug
    Patent number: 6779305
    Abstract: A conventional commercial door viewer includes a lens at one end for providing a wide angle view and a hollow end through which a person would look. A truncated cone shaped plug fits within the hollow end to block light transmission through the door viewer. The plug is readily manually removable to use the door viewer and includes a removable lanyard to tether the plug in proximity to the door viewer.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: August 24, 2004
    Inventor: Shan E. Harter
  • Door viewer plug
    Publication number: 20030204997
    Abstract: A readily available conventional commercial door viewer includes a lens at one end for providing a wide angle view and a hollow end through which a person would look. A truncated cone shaped plug fits within the hollow end to block light transmission through the door viewer. The plug is readily manually removable to use the door viewer and includes a removable lanyard to tether the plug in proximity to the door viewer.
    Type: Application
    Filed: April 29, 2002
    Publication date: November 6, 2003
    Inventor: Shan E. Harter