Patents by Inventor Marvin Eshelma

Marvin Eshelma 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).

  • Single-motor extrusion head having multiple extrusion lines
    Publication number: 20070228590
    Abstract: An extrusion head comprising at least one drive wheel and an assembly positionable between at least a first state and a second state. The assembly comprises a first extrusion line configured to engage the at least one drive wheel while the assembly is positioned in the first state, and a second extrusion line configured to engage the at least one drive wheel while the assembly is positioned in the second state.
    Type: Application
    Filed: April 3, 2006
    Publication date: October 4, 2007
    Applicant: Stratasys, Inc.
    Inventors: Joseph LaBossiere, Benjamin Dunn, Thomas McDonough, Marvin Eshelma