Patents by Inventor John G. Wotherspoon

John G. Wotherspoon 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).

  • Simulated spanish mission tile
    Patent number: 4145860
    Abstract: A tile, generally used for roofing purposes, made of metal or synthetic material, has two portions, one portion has a convex upper surface and another portion has a concave upper surface. These portions are integral with each other and do not overlap one another. The underfaces of these portions exhibit cavities thereat. The length of one of the portions is greater than the length of the other portion. When laid upon a roof area the ends of the tiles will be made to overlap a predetermined length of the tile to give the appearance of a roof formed with conventional spanish mission tiles. Adjacent or contiguous tiles are interlocked by means of a curled corner of the other portion of the tile.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: March 27, 1979
    Assignee: Martin E. Gerry
    Inventor: John G. Wotherspoon
  • Multi portion tile having a curled interlock
    Patent number: 4040211
    Abstract: A tile, generally used for roofing purposes, made of metal or synthetic material, has two portions, one portion has a convex upper surface and another portion has a concave upper surface. These portions are integral with each other and do not overlap one another. The underfaces of these portions exhibit cavities thereat. The length of one of the portions is greater than the length of the other portion. When laid upon a roof area the ends of the tiles will be made to overlap a predetermined length of the tile to give the appearance of a roof formed with conventional spanish mission tiles. Adjacent or contiguous tiles are interlocked by means of a curled corner of the other portion of the tile.
    Type: Grant
    Filed: April 22, 1976
    Date of Patent: August 9, 1977
    Assignee: Martin E. Gerry
    Inventor: John G. Wotherspoon
  • Roofing tile
    Patent number: D245712
    Type: Grant
    Filed: April 22, 1976
    Date of Patent: September 6, 1977
    Assignee: Martin E. Gerry
    Inventor: John G. Wotherspoon