Patents by Inventor John Aff

John Aff 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: 4986175
    Abstract: A stamp is provided, preferably of the permanent ink pad type, for stamping ink or the like through a stencil, onto a surface to which selected indicia or the like is to be stamped. The stencils are removable and replaceable, and are releasably carried by the stamp, preferably by means of a band, and the stamp is provided with standoffs, that allow for accurate placement of a stamp on a surface that is desired, for proper orientation and location of the indicia that is to be stamped, prior to making ink contact with the surface. The standoffs are resiliently compressible. A kit comprising a stencil and a stamp is provided, as is a package comprising a container, a stamp, and preferably one or more stencils. The ink pad is preferably constructed of a micro reticulated plastic resin, with a higher density ink-metering portion at the stamping surface, and a lower density high-ink-retention, porous portion thereabove, for facilitating essentially permanent retention of ink therein for the life of the stamp.
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: January 22, 1991
    Assignee: Boehringer Laboratories
    Inventors: John R. Boehringer, John Aff
  • Patent number: D290469
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: June 23, 1987
    Assignee: Boehringer Laboratories
    Inventors: John R. Boehringer, John Aff