Patents by Inventor Stephen W. Emerson

Stephen W. Emerson 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).

  • Razor knife with built-in pencil sharpener
    Patent number: 5315760
    Abstract: A utility razor knife for use by carpenters and the like is arranged to include a reciprocating blade mounted to a forward end of the structure, with a rearwardmost end of the housing structure including a pencil sharpener structure permitting access in the sharpening of a pencil in association with the knife blade arrangement.
    Type: Grant
    Filed: May 17, 1993
    Date of Patent: May 31, 1994
    Inventor: Stephen W. Emerson