Patents by Inventor Mark B. McKellar

Mark B. McKellar 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).

  • Patent number: 4651921
    Abstract: A postal service facility including a housing, access areas for supporting postal service equipment installed on or within the housing surface, and a rotatable assemblage of postal boxes disposed between mounts within the accessible housing interior. A lockable outer door provides access to the assemblage in the housing interior. Electric switches controlling a motor and a brake provide the preferred means of rotating the assemblage. The assemblage contains a plurality of individually lockable postal boxes. Locking strips or lockable panels allow concurrent access to a plurality of boxes to facilitate delivery of posted items to the boxes. The assemblage can be generally cylindrical in shape for most efficient use of space. Alternatively, the assemblage can be rectangular in cross section.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: March 24, 1987
    Inventor: Mark B. McKellar
  • Patent number: D293153
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: December 8, 1987
    Inventor: Mark B. McKellar
  • Patent number: D293154
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: December 8, 1987
    Inventor: Mark B. McKellar