Patents by Inventor Thomas W. Plappert

Thomas W. Plappert 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).

  • Mail slot assembly
    Patent number: 7182243
    Abstract: A mail slot receiver for use with a door having a mail slot therein comprising an outer frame member pivotably attached to an inner frame member and a receptacle attached to the inner frame member, whereby the inner frame member can pivotably rotate between a mail receiving position and a mail retrieving position.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: February 27, 2007
    Inventor: Thomas W. Plappert