Patents by Inventor Robert Grimmer

Robert Grimmer 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).

  • Three-dimensional multi-color plastic parts and method of making same
    Patent number: 4784911
    Abstract: Three-dimensional multi-colored plastic parts and a method for manufacturing such parts for automobile interior trim door panels, consoles and instrument panels and the like includes dry cast thermoplastic powder sized in the range of 60-400 microns and with two or more colors of particles mixed for distribution onto a heated mold section with the mixed powder particles being heated to randomly flow at particle margins to form two or more shade tones in a resultant three-dimensional multi-colored textured part of fuzed material.
    Type: Grant
    Filed: July 15, 1986
    Date of Patent: November 15, 1988
    Assignee: Ex-Cell-O Corporation
    Inventors: John C. Gembinski, Robert A. Grimmer, Patricia A. Betzig