Patents by Inventor Lawrence E. Francis

Lawrence E. Francis 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: 4174062
    Abstract: A chipper head is removably affixed to the holder head of a welding rod holder in an area spaced from and opposite the point of support of a welding rod whereby the welding rod holder functions as a combination welding rod holder and chipper hammer.
    Type: Grant
    Filed: February 1, 1978
    Date of Patent: November 13, 1979
    Inventor: Lawrence E. Francis