Patents by Inventor John A. Metzer

John A. Metzer 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: 5918439
    Abstract: A roof shingle placement tool is provided. The roof shingle placement tool includes a support member adapted to be disposed generally horizontally on a roof to be shingled. An indexing member is connected to the support member. The indexing member includes a plurality of equally spaced stops. The indexing member is adapted to be indexed upwardly along the roof with succeeding stops engaging a fixed reference point on the roof such that a uniform exposure distance is provided by the support member for succeeding courses of shingles.
    Type: Grant
    Filed: January 12, 1998
    Date of Patent: July 6, 1999
    Inventors: John A. Metzer, James R. Kingham