Patents by Inventor Nestor R. Lewyckyj

Nestor R. Lewyckyj 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: D643545
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: August 16, 2011
    Assignee: Railquip Enterprises, Inc.
    Inventors: Mark McDonald, Nestor R. Lewyckyj