Patents by Inventor Michael Sastre

Michael Sastre 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).

  • Stamping structure
    Patent number: 5642667
    Abstract: A stamping device utilizing a translucent base member having a surface. An imprinting element is fixed to the surface of the base member and is capable of marking items. A handle is also included and possesses a grasping element to allow the user to press downwardly. A translucent connecting structure resiliently links the handle to the base member. The imprinting element is visible through the base member and connecting structure during the stamping process.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: July 1, 1997
    Inventor: Michael Sastre