Patents by Inventor Steve Gamvrellis

Steve Gamvrellis 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: 4020789
    Abstract: A fabric marking device for producing a powder mark of predetermined shape and size on pieces of fabric. The device comprises a table with a perforated work surface area and means for delivering powder under air pressure to one or more tubes having a lengthwise slit therein which is placed against a surface of fabric to be marked. Means are provided for altering the angle of the tubes relative to each other, and/or to the fabric to be marked, and for varying the distance between the tubes and work surface to accommodate marking a stack of fabric layers simultaneously.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: May 3, 1977
    Inventor: Steve Gamvrellis